How many hours is CST ahead of PST?

CST is currently +15h relative to PST, using America/Los_Angeles and Asia/Shanghai as the live reference zones on this page.

What is the best workday overlap between PST and CST?

There is no strict 9-to-5 overlap right now, so one side usually needs an early start or late finish for live meetings.

Which cities commonly use PST and CST?

PST commonly covers cities such as Los Angeles, Tijuana, San Diego, and Mexicali, while CST commonly covers cities such as Shanghai, Beijing, Shenzhen, and Guangzhou.

Should I use PST/CST or exact IANA zones?

Use the abbreviations for a quick read, but use exact IANA zones such as America/Los_Angeles and Asia/Shanghai when you need something precise in software, travel plans, or long-range scheduling.

Timezone converter

PST to CST Converter.

PST → CSTGap: +15hNo 9-5 overlap

PST to CST currently uses Pitcairn Time in America/Los_Angeles and China Time in Asia/Shanghai as the live reference pair, with a +15h live gap. PST to CST matters whenever Los Angeles and Shanghai need to coordinate across a +15h gap. The PST side covers United States and Mexico, while CST covers China and Mexico — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Last updated recently. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

Ambiguity note

CST is ambiguous in this dataset, so the live converter uses Asia/Shanghai as the busiest reference zone while the city list below shows the wider label family.

From

PST

Pitcairn Time

America/Los_Angeles · PDT -07:00

--:--:--

Major markets in this grouping include Los Angeles, Tijuana, San Diego, Mexicali.

CST

China Time

Asia/Shanghai · GMT+8 +08:00

--:--:--

Major markets in this grouping include Shanghai, Beijing, Shenzhen, Guangzhou.

Scheduling snapshot

Current gap

+15h

PST -07:00 vs CST +08:00

9-to-5 overlap

No shared block

Meetings usually need an early or late handoff.

Representative countries

United States, Mexico, and Canada / China, Mexico, and United States

Based on the busiest city and zone usage found in the current dataset.

Pair context

PST (Los Angeles, -07:00) to CST (Shanghai, +08:00) is currently a +15h conversion. Live coverage on the PST side is anchored by Los Angeles, Tijuana, San Diego, and Mexicali; the CST side draws from Shanghai, Beijing, Shenzhen, and Guangzhou.

PST to CST matters whenever Los Angeles and Shanghai need to coordinate across a +15h gap. The PST side covers United States and Mexico, while CST covers China and Mexico — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

PST is grounded here by United States, Mexico, and Canada. CST means an overloaded label spanning North American Central Time, Cuba Time, and China-related meanings in the catalog; watch US and Canadian DST windows, Mexico and Central America holidays, and Cuba public holidays. The curated side is where most same-offset duplication risk is removed, because it names the civil calendar and operating context users actually mean.

This pair is trans-Pacific, with one side in the Americas and the other in Asia or Oceania. The +15h gap is large enough that morning on one side reliably overlaps evening on the other, which is why this conversion mostly serves global supply chains, gaming launch schedules, and follow-the-sun engineering.

PST follows seasonal clock changes through America/Los_Angeles, while CST stays on a fixed offset year-round. That asymmetry is the real differentiator on this page: the gap widens or narrows by an hour twice a year, so calendar invites scheduled in one season often look wrong in the other.

PST and CST sit exactly 15h apart, which leaves no shared 9-to-5 block. Live meetings have to bend one side's day, so most teams settle for one of two narrow windows: very early on the late side, or very late on the early side. That makes async messages, recorded standups, and clear handoff notes more valuable than calendar invites.

Pair details

Reference zone, current offsets, country and city anchors, overlap math, and date-shift answers for PST to CST.

Reference pair

America/Los_Angeles -> Asia/Shanghai

Live offsets

PST -07:00 vs CST +08:00

Meaning split

Pitcairn Time / China Time

Country anchors

United States, Mexico, and Canada -> China, Mexico, and United States

City anchors

Los Angeles, Tijuana, San Diego, Mexicali -> Shanghai, Beijing, Shenzhen, Guangzhou

Workday overlap

No strict 9-to-5 overlap in the current offset state

Morning answer

9 AM PST = 12:00 AM CST, next day

Evening answer

6 PM PST = 9:00 AM CST, next day

Calendar and scheduling context

Same-offset labels can share the same hour while still landing in different countries, calendars, cities, and workday windows. These notes show the practical context behind this conversion.

Exact pair identity

PST to CST is pinned to America/Los_Angeles -> Asia/Shanghai, with the shorthand labels shown as context. The city anchors are Los Angeles, Tijuana, San Diego, Mexicali on the PST side and Shanghai, Beijing, Shenzhen, Guangzhou on the CST side, with +15h between the live reference zones.

Civil calendar differences

The 12 popular-hour answers include 1 same-day conversions, 11 next-day conversions, and 0 previous-day conversions. That distribution is what separates this page from a static offset chart.

Same-offset caution

Nearby labels sharing a current offset include PDT (From side), GMT-7 (From side), MST (From side), YT (From side), WITA (To side). They may match mathematically, but their country calendars, city anchors, and common search intent differ from this exact pair.

Jurisdiction evidence

PST: United States (US); 616 mapped cities; capital Washington, D.C.; English; USD United States dollar | PST: Mexico (MX); 16 mapped cities; capital Mexico City; Spanish; MXN Mexican peso | PST: Canada (CA); 107 mapped cities; capital Ottawa; English, French; CAD Canadian dollar | PST: Pitcairn (PN); 1 mapped cities; capital Adamstown; English; NZD New Zealand dollar | CST: China (CN); 2078 mapped cities; capital Beijing; Chinese; CNY Chinese yuan | CST: Mexico (MX); 470 mapped cities; capital Mexico City; Spanish; MXN Mexican peso | CST: United States (US); 899 mapped cities; capital Washington, D.C.; English; USD United States dollar | CST: Cuba (CU); 140 mapped cities; capital Havana; Spanish; CUC Cuban convertible peso, CUP Cuban peso

Pair fingerprint

Offset behavior, DST gap changes, local calendar evidence, and the day-shift pattern across the most common conversion hours.

Offset behavior class

PST/CST is a long-haul handoff gap: America/Los_Angeles currently reads -07:00, Asia/Shanghai reads +08:00, and the live delta is +15h. This class decides whether the page behaves like a same-day planner or a handoff planner.

DST asymmetry check

America/Los_Angeles changes from -07:00 (PDT) to -08:00 (PST) on November 1, 2026 at about 1:00 AM.

Calendar evidence

No country holiday snapshot is attached to this exact pair yet, so the page leans on city anchors, IANA zones, offsets, and the live conversion table instead of pretending a local calendar exists.

Day-shift fingerprint

Across the 12 popular-hour answers, this pair has 1 same-day answers, 11 next-day answers, 0 previous-day answers. That mix is specific to the current America/Los_Angeles -> Asia/Shanghai relationship and helps users see whether dates must be written explicitly in invites, travel plans, and release schedules.

Same-offset and canonical audit

Same-offset converter clusters can look identical if the page only shows a numeric offset. This audit states whether the route should be indexed, which canonical peer it follows when consolidated, and what pair-specific evidence keeps the page useful.

Indexing posture

This pair remains indexable because the route has enough pair-specific context: America/Los_Angeles -> Asia/Shanghai, country anchors, city anchors, calendar notes, and day-shift examples.

Same-offset math check

PST and CST are not currently a same-offset pair; the live delta is +15h. Same-offset neighbors are still listed because users often confuse nearby abbreviations.

Neighbor audit

PDT (From side, -07:00), GMT-7 (From side, -07:00), MST (From side, -07:00), YT (From side, -07:00), WITA (To side, +08:00) The page keeps these labels visible so SGT/HKT/GST-style clusters do not blur into one generic offset page.

Canonical evidence

PST/CST uses 1 same-day answers, 11 next-day answers, 0 previous-day answers; 0h strict workday overlap; source zones America/Los_Angeles and Asia/Shanghai; country anchors United States, Mexico, and Canada -> China, Mexico, and United States.

Local intent behind each abbreviation

Common places, calendars, markets, languages, and operating contexts behindPST and CST.

CST

CST local intent 1

CST is one of the most overloaded timezone abbreviations on the site. It can mean North American Central Time, Cuba Time, China-related civil time, or other catalog meanings depending on the source. A CST converter page must be read through the representative IANA zone and the listed city anchors, not through the letters alone.

CST

CST local intent 2

For international users, CST is a trap label: Chicago, Mexico City, Havana, Macau, Shanghai, and Urumqi are not interchangeable scheduling contexts. The same three letters can imply different countries, DST rules, holidays, languages, and date-shift behavior.

Country calendar contrast

Same-offset conversions can still land in different public-holiday, language, currency, and city-anchor contexts. These rows use the country profile and holiday snapshots behind each side of the pair.

PST

United States

616 mapped city anchors; zones America/Los_Angeles.capital Washington, D.C.; English; USD United States dollar

Holiday snapshot: New Year's Day (Jan 1, Public) · Martin Luther King, Jr. Day (Jan 19, Public) · Lincoln's Birthday (Feb 12, Observance) · Presidents Day (Feb 16, Public) · Good Friday (Apr 3, Public)

PST

Mexico

16 mapped city anchors; zones America/Tijuana.capital Mexico City; Spanish; MXN Mexican peso

Holiday snapshot: New Year's Day (Jan 1, Public) · Constitution Day (Feb 2, Public) · Benito Juárez's birthday (Mar 16, Public) · Maundy Thursday (Apr 2, Bank) · Good Friday (Apr 3, Bank)

PST

Canada

107 mapped city anchors; zones America/Vancouver.capital Ottawa; English, French; CAD Canadian dollar

Holiday snapshot: New Year's Day (Jan 1, Public) · Louis Riel Day (Feb 16, Public) · Islander Day (Feb 16, Public) · Heritage Day (Feb 16, Public) · Family Day (Feb 16, Public)

PST

Pitcairn

1 mapped city anchors; zones Pacific/Pitcairn.capital Adamstown; English; NZD New Zealand dollar

Holiday snapshot: No holiday snapshot attached for the current year.

CST

China

2,078 mapped city anchors; zones Asia/Shanghai, Asia/Urumqi.capital Beijing; Chinese; CNY Chinese yuan

Holiday snapshot: New Year's Day (Jan 1, Public) · Chinese New Year (Spring Festival) (Feb 17, Public) · Labour Day (May 1, Public) · Dragon Boat Festival (Jun 19, Public) · Mid-Autumn Festival (Sep 25, Public)

CST

Mexico

470 mapped city anchors; zones America/Mexico_City, America/Matamoros.capital Mexico City; Spanish; MXN Mexican peso

Holiday snapshot: New Year's Day (Jan 1, Public) · Constitution Day (Feb 2, Public) · Benito Juárez's birthday (Mar 16, Public) · Maundy Thursday (Apr 2, Bank) · Good Friday (Apr 3, Bank)

Neighboring abbreviation checks

These are the labels most likely to be confused with either side of this conversion. A matching UTC offset does not mean the same country, calendar, market, source convention, or user intent.

From side: PDT

same offset

PST and PDT match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: PDT: Pacific Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.

Open PDT

From side: GMT-7

same offset

PST and GMT-7 match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: GMT-7: Mexican Pacific Time via America/Hermosillo, -07:00; cities Hermosillo, Mexico, Ciudad Obregón, Mexico, and Nogales, Mexico; countries Mexico.

Open GMT-7

From side: MST

same offset

PST and MST match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: MST: Mountain Time via America/Phoenix, -07:00; cities Phoenix, United States, Ciudad Juárez, Mexico, and Calgary, Canada; countries United States, Mexico, and Canada.

Open MST

From side: YT

same offset

PST and YT match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: YT: Yukon Time via America/Whitehorse, -07:00; cities Whitehorse, Canada; countries Canada.

Open YT

From side: AKDT

nearby

PST and AKDT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: AKDT: Alaska Time via America/Anchorage, -08:00; cities Anchorage, United States, Fairbanks, United States, and Eagle River, United States; countries United States.

Open AKDT

From side: AKST

nearby

PST and AKST are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: PST: Pitcairn Time via America/Los_Angeles, -07:00; cities Los Angeles, United States, Tijuana, Mexico, and San Diego, United States; countries United States, Mexico, and Canada.
Neighbor side: AKST: Alaska Time via America/Anchorage, -08:00; cities Anchorage, United States, Fairbanks, United States, and Eagle River, United States; countries United States.

Open AKST

To side: WITA

same offset

CST and WITA match on offset right now, but the page should not collapse them: they carry different city anchors, country calendars, currencies, holidays, and user intent.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: WITA: Central Indonesia Time via Asia/Makassar, +08:00; cities Makassar, Indonesia, Samarinda, Indonesia, and Denpasar, Indonesia; countries Indonesia.

Open WITA

To side: ACWST

nearby

CST and ACWST are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: ACWST: Australian Central Western Time via Australia/Eucla, +08:45; cities No country breakdown available; countries Australia.

Open ACWST

To side: ACDT

nearby

CST and ACDT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: ACDT: Australian Central Time via Australia/Adelaide, +09:30; cities Adelaide, Australia, Darwin, Australia, and Adelaide Hills, Australia; countries Australia.

Open ACDT

To side: ACST

nearby

CST and ACST are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: ACST: Australian Central Time via Australia/Adelaide, +09:30; cities Adelaide, Australia, Darwin, Australia, and Adelaide Hills, Australia; countries Australia.

Open ACST

To side: CAT

nearby

CST and CAT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: CAT: Central Africa Time via Africa/Lubumbashi, +02:00; cities Lubumbashi, Democratic Republic of the Congo, Lusaka, Zambia, and Mbuji-Mayi, Democratic Republic of the Congo; countries Democratic Republic of the Congo, Zambia, and Sudan.

Open CAT

To side: CDT

nearby

CST and CDT are close enough to be confused in search, but they are not the same clock label and should be pinned to exact IANA zones.

Current side: CST: China Time via Asia/Shanghai, +08:00; cities Shanghai, China, Beijing, China, and Shenzhen, China; countries China, Mexico, and United States.
Neighbor side: CDT: Central Time via America/Chicago, -05:00; cities Chicago, United States, Houston, United States, and San Antonio, United States; countries United States, Canada, and Mexico.

Open CDT

Jurisdiction and city roster

Abbreviations with the same UTC offset can still represent different countries, cities, currencies, languages, and civil-time histories. This roster keeps thePST to CST page grounded in those concrete places.

PST: Mexico (MX); 16 mapped cities; zones America/Tijuana; city anchors Tijuana (America/Tijuana, pop 1,922,523), Mexicali (America/Tijuana, pop 1,032,686), Ensenada (America/Tijuana, pop 443,807), Rosarito (America/Tijuana, pop 100,660); official United Mexican States; capital Mexico City; region Americas; subregion North America; population 130,575,786; area 1,964,375 km2; languages Spanish; currency MXN Mexican peso.

PST: Canada (CA); 107 mapped cities; zones America/Vancouver; city anchors Vancouver (America/Vancouver, pop 662,248), Surrey (America/Vancouver, pop 568,322), Victoria (America/Vancouver, pop 289,625), Burnaby (America/Vancouver, pop 249,125); official Canada; capital Ottawa; region Americas; subregion North America; population 41,651,653; area 9,984,670 km2; languages English, French; currency CAD Canadian dollar.

PST: Pitcairn (PN); 1 mapped cities; zones Pacific/Pitcairn; city anchors Adamstown (Pacific/Pitcairn, pop 46); official Pitcairn Group of Islands; capital Adamstown; region Oceania; subregion Polynesia; population 35; area 47 km2; languages English; currency NZD New Zealand dollar.

CST: Mexico (MX); 470 mapped cities; zones America/Mexico City, America/Matamoros; city anchors Mexico City (America/Mexico_City, pop 12,294,193), Iztapalapa (America/Mexico_City, pop 1,835,486), Puebla (America/Mexico_City, pop 1,692,181), Ecatepec de Morelos (America/Mexico_City, pop 1,645,352); official United Mexican States; capital Mexico City; region Americas; subregion North America; population 130,575,786; area 1,964,375 km2; languages Spanish; currency MXN Mexican peso.

CST: United States (US); 899 mapped cities; zones America/Chicago; city anchors Chicago (America/Chicago, pop 2,664,452), Houston (America/Chicago, pop 2,314,157), San Antonio (America/Chicago, pop 1,526,656), Dallas (America/Chicago, pop 1,326,087); official United States of America; capital Washington, D.C.; region Americas; subregion North America; population 340,110,988; area 9,525,067 km2; languages English; currency USD United States dollar.

CST: Cuba (CU); 140 mapped cities; zones America/Havana; city anchors Havana (America/Havana, pop 2,163,824), Santiago de Cuba (America/Havana, pop 555,865), Camagüey (America/Havana, pop 347,562), Holguín (America/Havana, pop 319,102); official Republic of Cuba; capital Havana; region Americas; subregion Caribbean; population 9,748,007; area 109,884 km2; languages Spanish; currency CUC Cuban convertible peso, CUP Cuban peso.

CST: Guatemala (GT); 102 mapped cities; zones America/Guatemala; city anchors Guatemala City (America/Guatemala, pop 994,938), Villa Nueva (America/Guatemala, pop 618,397), Mixco (America/Guatemala, pop 465,773), Cobán (America/Guatemala, pop 212,047); official Republic of Guatemala; capital Guatemala City; region Americas; subregion Central America; population 18,079,810; area 108,889 km2; languages Spanish; currency GTQ Guatemalan quetzal.

Abbreviation identity dossier

Same-offset converter pages can look deceptively alike. These records pin the page to the exact abbreviations, IANA zones, countries, and city anchors behind PST and CST.

From side meaning roster

PST (pst) is not marked ambiguous in the abbreviation catalog. Meaning records: Pitcairn Time at UTC-08:00; listed zones Pacific/Pitcairn; America/Los Angeles; America/Tijuana; America/Vancouver; source label Pitcairn Time - Adamstown.

From side country footprint

PST currently maps to 4 country footprints in the converter dataset: United States (US), Mexico (MX), Canada (CA), Pitcairn (PN). The footprint spans 4 IANA zones across 10 city anchors.

From side city anchors

PST city anchors in this indexed page family: Los Angeles [los-angeles-US, US, America/Los_Angeles, pop 3,820,914]; Tijuana [tijuana-MX, MX, America/Tijuana, pop 1,922,523]; San Diego [san-diego-US, US, America/Los_Angeles, pop 1,404,452]; Mexicali [mexicali-MX, MX, America/Tijuana, pop 1,032,686]; San Jose [san-jose-US, US, America/Los_Angeles, pop 997,368]; San Francisco [san-francisco-US, US, America/Los_Angeles, pop 827,526]; Seattle [seattle-US, US, America/Los_Angeles, pop 780,995]; Vancouver [vancouver-CA, CA, America/Vancouver, pop 662,248]; Portland [portland-5746545-US, US, America/Los_Angeles, pop 652,503]; Las Vegas [las-vegas-US, US, America/Los_Angeles, pop 641,903].

From side jurisdiction dossier

PST: United States (US); 616 mapped cities; zones America/Los Angeles; city anchors Los Angeles (America/Los_Angeles, pop 3,820,914), San Diego (America/Los_Angeles, pop 1,404,452), San Jose (America/Los_Angeles, pop 997,368), San Francisco (America/Los_Angeles, pop 827,526); official United States of America; capital Washington, D.C.; region Americas; subregion North America; population 340,110,988; area 9,525,067 km2; languages English; currency USD United States dollar. PST: Mexico (MX); 16 mapped cities; zones America/Tijuana; city anchors Tijuana (America/Tijuana, pop 1,922,523), Mexicali (America/Tijuana, pop 1,032,686), Ensenada (America/Tijuana, pop 443,807), Rosarito (America/Tijuana, pop 100,660); official United Mexican States; capital Mexico City; region Americas; subregion North America; population 130,575,786; area 1,964,375 km2; languages Spanish; currency MXN Mexican peso. PST: Canada (CA); 107 mapped cities; zones America/Vancouver; city anchors Vancouver (America/Vancouver, pop 662,248), Surrey (America/Vancouver, pop 568,322), Victoria (America/Vancouver, pop 289,625), Burnaby (America/Vancouver, pop 249,125); official Canada; capital Ottawa; region Americas; subregion North America; population 41,651,653; area 9,984,670 km2; languages English, French; currency CAD Canadian dollar. PST: Pitcairn (PN); 1 mapped cities; zones Pacific/Pitcairn; city anchors Adamstown (Pacific/Pitcairn, pop 46); official Pitcairn Group of Islands; capital Adamstown; region Oceania; subregion Polynesia; population 35; area 47 km2; languages English; currency NZD New Zealand dollar.

To side meaning roster

CST (cst) is ambiguous in the abbreviation catalog. Meaning records: Central Time at UTC-06:00; listed zones America/Belize; America/Guatemala; America/Managua; America/Mexico City; America/Costa Rica; America/El Salvador; America/Regina; America/Tegucigalpa; America/Chicago; America/Matamoros; America/Winnipeg; source label Central Time - Belize City, San Pedro, Orange Walk, Belmopan | Cuba Time at UTC-05:00; listed zones America/Havana; source label Cuba Time - Havana, Santiago de Cuba, Camagüey, Holguín | China Time at UTC+06:00; listed zones Asia/Urumqi; source label China Time - Ürümqi, Shihezi, Korla, Aqsu | China Time at UTC+08:00; listed zones Asia/Macau; Asia/Shanghai; source label China Time - Macau, Taipa, Sé, Luhuan.

To side country footprint

CST currently maps to 8 country footprints in the converter dataset: China (CN), Mexico (MX), United States (US), Cuba (CU), Guatemala (GT), Nicaragua (NI), Honduras (HN), Canada (CA). The footprint spans 11 IANA zones across 10 city anchors.

To side city anchors

CST city anchors in this indexed page family: Shanghai [shanghai-CN, CN, Asia/Shanghai, pop 24,874,500]; Beijing [beijing-CN, CN, Asia/Shanghai, pop 18,960,744]; Shenzhen [shenzhen-CN, CN, Asia/Shanghai, pop 17,494,398]; Guangzhou [guangzhou-CN, CN, Asia/Shanghai, pop 16,096,724]; Chengdu [chengdu-CN, CN, Asia/Shanghai, pop 13,568,357]; Mexico City [mexico-city-MX, MX, America/Mexico_City, pop 12,294,193]; Tianjin [tianjin-CN, CN, Asia/Shanghai, pop 11,090,314]; Wuhan [wuhan-CN, CN, Asia/Shanghai, pop 10,392,693]; Dongguan [dongguan-CN, CN, Asia/Shanghai, pop 9,644,871]; Xi’an [xi-an-CN, CN, Asia/Shanghai, pop 9,600,000].

To side jurisdiction dossier

CST: China (CN); 2078 mapped cities; zones Asia/Shanghai, Asia/Urumqi; city anchors Shanghai (Asia/Shanghai, pop 24,874,500), Beijing (Asia/Shanghai, pop 18,960,744), Shenzhen (Asia/Shanghai, pop 17,494,398), Guangzhou (Asia/Shanghai, pop 16,096,724); official People's Republic of China; capital Beijing; region Asia; subregion Eastern Asia; population 1,408,280,000; area 9,706,961 km2; languages Chinese; currency CNY Chinese yuan. CST: Mexico (MX); 470 mapped cities; zones America/Mexico City, America/Matamoros; city anchors Mexico City (America/Mexico_City, pop 12,294,193), Iztapalapa (America/Mexico_City, pop 1,835,486), Puebla (America/Mexico_City, pop 1,692,181), Ecatepec de Morelos (America/Mexico_City, pop 1,645,352); official United Mexican States; capital Mexico City; region Americas; subregion North America; population 130,575,786; area 1,964,375 km2; languages Spanish; currency MXN Mexican peso. CST: United States (US); 899 mapped cities; zones America/Chicago; city anchors Chicago (America/Chicago, pop 2,664,452), Houston (America/Chicago, pop 2,314,157), San Antonio (America/Chicago, pop 1,526,656), Dallas (America/Chicago, pop 1,326,087); official United States of America; capital Washington, D.C.; region Americas; subregion North America; population 340,110,988; area 9,525,067 km2; languages English; currency USD United States dollar. CST: Cuba (CU); 140 mapped cities; zones America/Havana; city anchors Havana (America/Havana, pop 2,163,824), Santiago de Cuba (America/Havana, pop 555,865), Camagüey (America/Havana, pop 347,562), Holguín (America/Havana, pop 319,102); official Republic of Cuba; capital Havana; region Americas; subregion Caribbean; population 9,748,007; area 109,884 km2; languages Spanish; currency CUC Cuban convertible peso, CUP Cuban peso. CST: Guatemala (GT); 102 mapped cities; zones America/Guatemala; city anchors Guatemala City (America/Guatemala, pop 994,938), Villa Nueva (America/Guatemala, pop 618,397), Mixco (America/Guatemala, pop 465,773), Cobán (America/Guatemala, pop 212,047); official Republic of Guatemala; capital Guatemala City; region Americas; subregion Central America; population 18,079,810; area 108,889 km2; languages Spanish; currency GTQ Guatemalan quetzal.

From side timezone narrative

PST is a North or South American civil-time label, currently 7h behind UTC at -07:00. The label covers 4 IANA zones across 4 countries, with Los Angeles as the busiest live reference. The busiest cities using PST in the current catalog are Los Angeles, Tijuana, San Diego, Mexicali, and San Jose. The lead live reference on this page is Los Angeles (America/Los_Angeles), currently at -07:00 (PDT). Those cities are what give PST its actual feel rather than the abstract offset. PST currently shows -07:00, but America/Los_Angeles observes seasonal clock changes — the next transition is around November 1, 2026. That means the offset on this page is a snapshot, not a permanent fact, so long-range scheduling should pin the underlying IANA zone instead of the abbreviation.

From side policy and precision notes

PST reads cleanly across the Americas in this dataset, but the same letters can mean different things elsewhere (notably CST, EST, and IST overlap with non-American labels). Pin the IANA zone when the audience is international. America/Los_Angeles has an upcoming offset change on November 1, 2026. After that point, PST on this page will read a different UTC offset until the next transition, so any saved timestamp should anchor to the IANA zone rather than the abbreviation. For precise work, the safest equivalent of PST is the exact IANA zone used by your city or system. America/Los_Angeles sits at -07:00, behind UTC, which means daily logs in this zone reach a new calendar date after UTC does — relevant for date-aligned reports and billing cutoffs.

From side nearby abbreviations

PST should not be blindly swapped with nearby labels. Adjacent references in the catalog: PDT (-07:00, Currently sits on the same UTC offset); GMT-7 (-07:00, Currently sits on the same UTC offset); MST (-07:00, Currently sits on the same UTC offset); YT (-07:00, Currently sits on the same UTC offset); AKDT (-08:00, Runs on a nearby UTC offset); AKST (-08:00, Runs on a nearby UTC offset).

From side answer profile

PST has 1 meaning record, offset range UTC-08:00 to UTC-07:00, labels Pitcairn Time, and 4 country footprints across 4 IANA zones.

To side timezone narrative

CST is reused across 4 different meanings in this dataset — China Time, Central Time, and Cuba Time — which is why the short code alone is not enough to identify a place. Each meaning maps to its own IANA zone family and its own DST behavior, and they happen to share the same letters by historical accident more than by design. The busiest cities using CST in the current catalog are Shanghai, Beijing, Shenzhen, Guangzhou, and Chengdu. The lead live reference on this page is Shanghai (Asia/Shanghai), currently at +08:00 (GMT+8). Those cities are what give CST its actual feel rather than the abstract offset. CST has a local identity beyond its offset: an overloaded label spanning North American Central Time, Cuba Time, and China-related meanings in the catalog. Calendar signals such as US and Canadian DST windows, Mexico and Central America holidays, Cuba public holidays, and China-related civil-calendar context and operational signals such as Chicago, Dallas, Mexico City, Havana, Macau, Shanghai, and Urumqi schedule disambiguation are why this abbreviation should not be flattened into a same-offset neighbor. Because CST spans UTC-06:00 to UTC+08:00 across the active meanings, software, calendars, and contracts should always pin a specific IANA zone such as Asia/Shanghai or a literal UTC offset. The short label is fine for headlines and chat; it is the wrong primitive for storing or scheduling timestamps.

To side policy and precision notes

CST appears with 4 distinct meanings in current data, splitting across UTC-06:00 to UTC+08:00. The short label looks tidy in writing but quietly hides which place you mean — pick a city, a country, or an IANA zone before it matters. CST is never safe without a place name: the legal-time rule changes when the source is America/Chicago, America/Havana, Asia/Shanghai, or another listed zone. Not the same as ICT or WIB: CST is usually the source ambiguity, while ICT and WIB are target-region labels with different country calendars. Asia/Shanghai does not show an offset change in the next year, which makes CST predictable for short-term scheduling. Predictable is not the same as permanent — civil-time rules still get changed by governments on relatively short notice. For precise work, the safest equivalent of CST is the exact IANA zone used by your city or system. Asia/Shanghai sits at +08:00, ahead of UTC, which means daily logs in this zone reach a new calendar date before UTC does — a small detail that breaks date-based reporting if missed.

To side nearby abbreviations

CST should not be blindly swapped with nearby labels. Adjacent references in the catalog: WITA (+08:00, Shares the central time family); ACWST (+08:45, Shares the central time family); ACDT (+09:30, Shares the central time family); ACST (+09:30, Shares the central time family); CAT (+02:00, Shares the central time family); CDT (-05:00, Shares the central time family).

To side answer profile

CST has 4 meaning records, offset range UTC-06:00 to UTC+08:00, labels China Time, Central Time, Cuba Time, and 12 country footprints across 15 IANA zones.

From side country reference summary

PST country anchor United States: The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's third-largest land area and third-largest population, exceeding 341 million. Source: Wikipedia.

To side country reference summary

CST country anchor China: China, officially the People's Republic of China (PRC), is a country in East Asia. It is the second-most populous country after India, with a population exceeding 1.4 billion, representing 17% of the world's population. China borders fourteen countries by land across an area of 9.6 million square kilometers (3,700,000 sq mi), making it the third-largest country by area. The country is divided into 33 province-level divisions: 22 provinces, 5 autonomous regions, 4 municipalities, and 2 semi-autonomous special administrative regions. Beijing is the capital, while Shanghai is the most populous city by urban area and largest financial center. Source: Wikipedia.

To side trust note 1

To side trust note 2

Pair identity check

PST/CST uses America/Los_Angeles -> Asia/Shanghai, offset delta +15h, overlap 0h, route /convert/pst/cst/, and live abbreviation readings PDT/GMT+8.

Reference data for PST to CST

Reference fields include this converter pair's abbreviation records, representative IANA zones, current offsets, city anchors, country profiles, overlap math, conversion examples, and dossier notes.

pitcairntimeadamstowncentraltimebelizecitysanpedroorangewalkbelmopancubatimehavanasantiagodecubacamagüeyholguínchinatimeürümqishihezikorlaaqsuchinatimemacautaipaséluhuanamericalosangelesasiashanghaipitcairntimechinatimeunitedstateslosangelesuslosangelestijuanamxamericatijuanasandiegoussandiegomexicalimxmexicalisanjoseussanfranciscoussanfranciscovancouvercavancouveramericavancouvershanghaicnshanghaibeijingcnshenzhencnshenzhenguangzhoucnguangzhoumexicocitymxmexicocityamericamexicocitywashingtondcunitedstatesdollaramericasnorthamericamexicanpesocanadiandollarpitcairnadamstownnewzealanddollarpolynesiachineseyuaneasternasiacubanconvertiblepesocubanpesocaribbeanguatemalaguatemalacityguatemalanquetzalcentralamericacapitalwashingtondcenglishusdunitedstatesdollarcapitalmexicocityspanishmxnmexicanpesocapitalottawaenglishfrenchcadcanadiandollarpacificpitcairncapitaladamstownenglishnzdnewzealanddollarnoholidaysnapshotattachedforthecurrentyearasiashanghaiasiaurumqicapitalbeijingchinesecnychineseyuanamericamexicocityamericamatamorosreferencepairamericalosangelesasiashanghailiveoffsetspst0700vscst0800meaningsplitpitcairntimechinatimecountryanchorsunitedstatesmexicoandcanadachinamexicoandunitedstatescityanchorslosangelestijuanasandiegomexicalishanghaibeijingshenzhenguangzhouworkdayoverlapnostrict9to5overlapinthecurrentoffsetstatemorninganswer9ampst1200amcstnextdayeveninganswer6pmpst900amcstnextdaycstlocalintent1cstlocalintent2exactpairidentitycivilcalendardifferencessameoffsetcautionjurisdictionevidenceoffsetbehaviorclassdstasymmetrycheckamericalosangeleschangesfrom0700pdtto0800pstonnovember12026atabout100amcalendarevidencedayshiftfingerprintindexingposturesameoffsetmathcheckneighborauditcanonicalevidencefromsidecurrentlysitsonthesameutcoffsetytyukontimeviaamericawhitehorse0700citieswhitehorsecanadacountriescanadarunsonanearbyutcoffsetsharesthecentraltimefamilyfromsidemeaningrosterfromsidecountryfootprintfromsidecityanchorsfromsidejurisdictiondossiertosidemeaningrostertosidecountryfootprinttosidecityanchorstosidejurisdictiondossierfromsidetimezonenarrativefromsidepolicyandprecisionnotesfromsidenearbyabbreviationsfromsideanswerprofiletosidetimezonenarrativetosidepolicyandprecisionnotestosidenearbyabbreviationstosideanswerprofilefromsidecountryreferencesummarytosidecountryreferencesummarytosidetrustnote1tosidetrustnote2pairidentitycheckcstpitcairn

Market coverage on both sides

PST coverage on this page is led by Los Angeles, United States, Tijuana, Mexico, San Diego, United States, and Mexicali, Mexico, with 2 more in the live dataset. That mix is what makes PST feel anchored to West Coast and Pacific-edge American activity in practice rather than just an abbreviation on a chart.

CST coverage is led by Shanghai, China, Beijing, China, Shenzhen, China, and Guangzhou, China, with 2 more anchoring the wider label family. Combined with the PST side, this conversion ends up describing trans-Pacific outsourcing handoffs, gaming and entertainment release windows, and follow-the-sun engineering rotations. Local signals include Chicago, Dallas, Mexico City, Havana, Macau, Shanghai, and Urumqi schedule disambiguation.

Digit-roll converter

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From

Common meeting times

PST to CST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

PST	CST	Day relation
9:00 AM	12:00 AMSun, May 31	next day
12:00 PM	3:00 AMSun, May 31	next day
3:00 PM	6:00 AMSun, May 31	next day
6:00 PM	9:00 AMSun, May 31	next day
9:00 PM	12:00 PMSun, May 31	next day

CST to PST meeting times

Quick conversions for 9 AM, noon, 3 PM, 6 PM, and 9 PM based on today's local calendar.

CST	PST	Day relation
9:00 AM	6:00 PMSat, May 30	previous day
12:00 PM	9:00 PMSat, May 30	previous day
3:00 PM	12:00 AMSun, May 31	same day
6:00 PM	3:00 AMSun, May 31	same day
9:00 PM	6:00 AMSun, May 31	same day

Operational notes

PST to CST ranges from PST 9:00 AM (which lands at CST 12:00 AM) through PST 9:00 PM (CST 12:00 PM). Most of those slots fall on a different calendar day on the CST side, which is why this direction always needs explicit dates in invites and ticket comments — the time alone is not enough.

CST to PST ranges from CST 9:00 AM (which lands at PST 6:00 PM) through CST 9:00 PM (PST 6:00 AM). With no clean 9-to-5 overlap between CST and PST, both ends of this range push outside standard hours — useful for recorded standups and async work, awkward for live calls.

Overlap window and DST radar

The live gap is +15h right now, based on America/Los_Angeles at -07:00 and Asia/Shanghai at +08:00. America/Los_Angeles changes offset on November 1, 2026, so the gap moves to +16h after that transition.

There is no strict 9 AM to 5 PM overlap right now, so this pair is better for handoffs, travel planning, or async coordination than for midday meetings.

America/Los_Angeles changes from -07:00 (PDT) to -08:00 (PST) on November 1, 2026 at about 1:00 AM.

Reference zones

America/Los_Angeles

PDT · -07:00

Asia/Shanghai

GMT+8 · +08:00

These are the busiest live references selected from the abbreviation families on this page.

Conversion Table

PST	CST
17:00	08:00
18:00	09:00
19:00	10:00
20:00	11:00
21:00	12:00
22:00	13:00
23:00	14:00
00:00	15:00
01:00	16:00
02:00	17:00
03:00	18:00
04:00	19:00
05:00	20:00
06:00	21:00
07:00	22:00
08:00	23:00
09:00	00:00
10:00	01:00
11:00	02:00
12:00	03:00
13:00	04:00
14:00	05:00
15:00	06:00
16:00	07:00

Top cities using PST

Countries represented here include United States, Mexico, and Canada.

Los AngelesUnited States TijuanaMexico San DiegoUnited States MexicaliMexico San JoseUnited States San FranciscoUnited States VancouverCanada

Top cities using CST

Countries represented here include China, Mexico, and United States.

ShanghaiChina BeijingChina ShenzhenChina GuangzhouChina Mexico CityMexico

FAQ

How many hours is CST ahead of PST?: CST is currently +15h relative to PST, using America/Los_Angeles and Asia/Shanghai as the live reference zones on this page.
What is the best workday overlap between PST and CST?: There is no strict 9-to-5 overlap right now, so one side usually needs an early start or late finish for live meetings.
Does the PST-CST time difference change during DST?: The live gap is +15h right now, based on America/Los_Angeles at -07:00 and Asia/Shanghai at +08:00. America/Los_Angeles changes offset on November 1, 2026, so the gap moves to +16h after that transition.
Which cities commonly use PST and CST?: PST commonly covers cities such as Los Angeles, Tijuana, San Diego, and Mexicali, while CST commonly covers cities such as Shanghai, Beijing, Shenzhen, and Guangzhou.
Should I use PST/CST or exact IANA zones?: Use the abbreviations for a quick read, but use exact IANA zones such as America/Los_Angeles and Asia/Shanghai when you need something precise in software, travel plans, or long-range scheduling.

Open Interactive Converter

Related Conversions

EST → PST EST → CST PST → MST PST → GMT PST → UTC PST → IST PST → CET PST → CEST PST → JST PST → AEST PST → AEDT PST → BST

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PST to CST Converter.

Ambiguity note

PST

CST

Scheduling snapshot

Pair context

Pair details

Calendar and scheduling context

Exact pair identity

Civil calendar differences

Same-offset caution

Jurisdiction evidence

Pair fingerprint

Offset behavior class

DST asymmetry check

Calendar evidence

Day-shift fingerprint

Same-offset and canonical audit

Indexing posture

Same-offset math check

Neighbor audit

Canonical evidence

Local intent behind each abbreviation

CST local intent 1

CST local intent 2

Country calendar contrast

United States

Mexico

Canada

Pitcairn

China

Mexico

Neighboring abbreviation checks

From side: PDT

From side: GMT-7

From side: MST

From side: YT

From side: AKDT

From side: AKST

To side: WITA

To side: ACWST

To side: ACDT

To side: ACST

To side: CAT

To side: CDT

Jurisdiction and city roster

Abbreviation identity dossier

From side meaning roster

From side country footprint

From side city anchors

From side jurisdiction dossier

To side meaning roster

To side country footprint

To side city anchors

To side jurisdiction dossier

From side timezone narrative

From side policy and precision notes

From side nearby abbreviations

From side answer profile

To side timezone narrative

To side policy and precision notes

To side nearby abbreviations

To side answer profile

From side country reference summary

To side country reference summary

To side trust note 1

To side trust note 2

Pair identity check

Market coverage on both sides

Digit-roll converter

Common meeting times

PST to CST meeting times

CST to PST meeting times

Operational notes

Popular hour answers

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