How many hours is ICT ahead of EST?

ICT is currently +11h relative to EST, using America/New_York and Asia/Ho_Chi_Minh as the live reference zones on this page.

What is the best workday overlap between EST and ICT?

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 EST and ICT?

EST commonly covers cities such as New York City, Toronto, Brooklyn, and Queens, while ICT commonly covers cities such as Ho Chi Minh City, Hanoi, Bangkok, and Haiphong.

Should I use EST/ICT or exact IANA zones?

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

Timezone converter

EST to ICT Converter.

EST → ICTGap: +11hNo 9-5 overlap

EST to ICT currently uses Eastern Time in America/New_York and Indochina Time in Asia/Ho_Chi_Minh as the live reference pair, with a +11h live gap. EST to ICT matters whenever New York City and Ho Chi Minh City need to coordinate across a +11h gap. The EST side covers United States and Canada, while ICT covers Vietnam and Thailand — 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.

From

EST

Eastern Time

America/New_York · EDT -04:00

--:--:--

Major markets in this grouping include New York City, Toronto, Brooklyn, Queens.

ICT

Indochina Time

Asia/Ho_Chi_Minh · GMT+7 +07:00

--:--:--

Major markets in this grouping include Ho Chi Minh City, Bangkok, Phnom Penh, Cần Thơ.

Scheduling snapshot

Current gap

+11h

EST -04:00 vs ICT +07:00

9-to-5 overlap

No shared block

Meetings usually need an early or late handoff.

Representative countries

United States, Canada, and Haiti / Vietnam, Thailand, and Cambodia

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

Pair context

EST (New York City, -04:00) to ICT (Ho Chi Minh City, +07:00) is currently a +11h conversion. Live coverage on the EST side is anchored by New York City, Toronto, Brooklyn, and Queens; the ICT side draws from Ho Chi Minh City, Hanoi, Bangkok, and Haiphong.

EST to ICT matters whenever New York City and Ho Chi Minh City need to coordinate across a +11h gap. The EST side covers United States and Canada, while ICT covers Vietnam and Thailand — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

EST is grounded here by United States, Canada, and Haiti. ICT means mainland Southeast Asia through Thailand, Vietnam, Cambodia, and Laos; watch Songkran, Tet, and Khmer New Year. 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 +11h 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.

EST follows seasonal clock changes through America/New_York, while ICT 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.

EST and ICT sit exactly 11h 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 EST to ICT.

Reference pair

America/New_York -> Asia/Ho_Chi_Minh

Live offsets

EST -04:00 vs ICT +07:00

Meaning split

Eastern Time / Indochina Time

Country anchors

United States, Canada, and Haiti -> Vietnam, Thailand, and Cambodia

City anchors

New York City, Toronto, Brooklyn, Queens -> Ho Chi Minh City, Bangkok, Phnom Penh, Cần Thơ

Workday overlap

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

Morning answer

9 AM EST = 8:00 PM ICT, same day

Evening answer

6 PM EST = 5:00 AM ICT, 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

EST to ICT is pinned to America/New_York -> Asia/Ho_Chi_Minh, with the shorthand labels shown as context. The city anchors are New York City, Toronto, Brooklyn, Queens on the EST side and Ho Chi Minh City, Bangkok, Phnom Penh, Cần Thơ on the ICT side, with +11h between the live reference zones.

Civil calendar differences

The 12 popular-hour answers include 5 same-day conversions, 7 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 EDT (From side), CXT (To side), DAVT (To side), HOVT (To side), NOVT (To side). They may match mathematically, but their country calendars, city anchors, and common search intent differ from this exact pair.

Jurisdiction evidence

EST: United States (US); 1508 mapped cities; capital Washington, D.C.; English; USD United States dollar | EST: Canada (CA); 310 mapped cities; capital Ottawa; English, French; CAD Canadian dollar | EST: Haiti (HT); 30 mapped cities; capital Port-au-Prince; French, Haitian Creole; HTG Haitian gourde | EST: Jamaica (JM); 11 mapped cities; capital Kingston; English, Jamaican Patois; JMD Jamaican dollar | EST: Mexico (MX); 6 mapped cities; capital Mexico City; Spanish; MXN Mexican peso | ICT: Vietnam (VN); 187 mapped cities; capital Hanoi; Vietnamese; VND Vietnamese đồng | ICT: Thailand (TH); 423 mapped cities; capital Bangkok; Thai; THB Thai baht | ICT: Cambodia (KH); 46 mapped cities; capital Phnom Penh; Khmer; KHR Cambodian riel, USD United States dollar

Pair fingerprint

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

Offset behavior class

EST/ICT is a long-haul handoff gap: America/New_York currently reads -04:00, Asia/Ho_Chi_Minh reads +07:00, and the live delta is +11h. This class decides whether the page behaves like a same-day planner or a handoff planner.

DST asymmetry check

America/New_York changes from -04:00 (EDT) to -05:00 (EST) 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 5 same-day answers, 7 next-day answers, 0 previous-day answers. That mix is specific to the current America/New_York -> Asia/Ho_Chi_Minh 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/New_York -> Asia/Ho_Chi_Minh, country anchors, city anchors, calendar notes, and day-shift examples.

Same-offset math check

EST and ICT are not currently a same-offset pair; the live delta is +11h. Same-offset neighbors are still listed because users often confuse nearby abbreviations.

Neighbor audit

EDT (From side, -04:00), CXT (To side, +07:00), DAVT (To side, +07:00), HOVT (To side, +07:00), NOVT (To side, +07:00) The page keeps these labels visible so SGT/HKT/GST-style clusters do not blur into one generic offset page.

Canonical evidence

EST/ICT uses 5 same-day answers, 7 next-day answers, 0 previous-day answers; 0h strict workday overlap; source zones America/New_York and Asia/Ho_Chi_Minh; country anchors United States, Canada, and Haiti -> Vietnam, Thailand, and Cambodia.

Local intent behind each abbreviation

Common places, calendars, markets, languages, and operating contexts behindEST and ICT.

ICT

ICT local intent 1

ICT covers Indochina Time, commonly encountered for Thailand, Vietnam, Cambodia, and Laos. The practical context includes Bangkok, Ho Chi Minh City, Phnom Penh, Vientiane, tourism operations, manufacturing handoffs, regional support teams, and local holiday calendars such as Songkran, Tet, and national observances.

ICT

ICT local intent 2

A conversion into ICT should not be collapsed into every UTC+7 label. The region's workweek, travel patterns, border logistics, and public holidays differ from Indonesia's WIB clock even when both read the same hour.

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.

EST

United States

1,508 mapped city anchors; zones America/New_York.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)

EST

Canada

310 mapped city anchors; zones America/Atikokan, America/Toronto.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)

EST

Haiti

30 mapped city anchors; zones America/Port-au-Prince.capital Port-au-Prince; French, Haitian Creole; HTG Haitian gourde

Holiday snapshot: New Year's Day (Jan 1, Public) · Ancestry Day (Jan 2, Public) · Epiphany (Jan 6, Public) · Carnival (Feb 16, Public) · Carnival (Feb 17, Public)

EST

Jamaica

11 mapped city anchors; zones America/Jamaica.capital Kingston; English, Jamaican Patois; JMD Jamaican dollar

Holiday snapshot: New Year's Day (Jan 1, Public) · Ash Wednesday (Feb 18, Public) · Good Friday (Apr 3, Public) · Easter Monday (Apr 6, Public) · Labour Day (May 23, Public)

EST

Mexico

6 mapped city anchors; zones America/Cancun.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)

ICT

Vietnam

187 mapped city anchors; zones Asia/Ho_Chi_Minh.capital Hanoi; Vietnamese; VND Vietnamese đồng

Holiday snapshot: New Year's Day (Jan 1, Public) · Reunification Day (Apr 30, Public) · Labour Day (May 1, Public) · National Day (Sep 2, Public)

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: EDT

same offset

EST and EDT 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: EDT: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.

Open EDT

From side: EEST

nearby

EST and EEST 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: EEST: Eastern European Time via Africa/Cairo, +03:00; cities Cairo, Egypt, Alexandria, Egypt, and Giza, Egypt; countries Egypt, Ukraine, and Lebanon.

Open EEST

From side: EET

nearby

EST and EET 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: EET: Eastern European Time via Africa/Cairo, +03:00; cities Cairo, Egypt, Alexandria, Egypt, and Giza, Egypt; countries Egypt, Ukraine, and Lebanon.

Open EET

From side: AEDT

nearby

EST and AEDT 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: AEDT: Australian Eastern Time via Australia/Sydney, +10:00; cities Sydney, Australia, Brisbane, Australia, and Gold Coast, Australia; countries Australia.

Open AEDT

From side: AEST

nearby

EST and AEST 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: AEST: Australian Eastern Time via Australia/Sydney, +10:00; cities Sydney, Australia, Brisbane, Australia, and Gold Coast, Australia; countries Australia.

Open AEST

From side: WIT

nearby

EST and WIT 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: EST: Eastern Time via America/New_York, -04:00; cities New York City, United States, Toronto, Canada, and Brooklyn, United States; countries United States, Canada, and Haiti.
Neighbor side: WIT: Eastern Indonesia Time via Asia/Jayapura, +09:00; cities Jayapura, Indonesia, Ambon, Indonesia, and Sorong, Indonesia; countries Indonesia.

Open WIT

To side: CXT

same offset

ICT and CXT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: CXT: Christmas Island Time via Indian/Christmas, +07:00; cities Flying Fish Cove, Christmas Island; countries Christmas Island.

Open CXT

To side: DAVT

same offset

ICT and DAVT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: DAVT: Davis Time via Antarctica/Davis, +07:00; cities No country breakdown available; countries Antarctica.

Open DAVT

To side: HOVT

same offset

ICT and HOVT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: HOVT: Hovd Time via Asia/Hovd, +07:00; cities Ulaangom, Mongolia, Khovd, Mongolia, and Ölgii, Mongolia; countries Mongolia.

Open HOVT

To side: IOT

nearby

ICT and IOT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: IOT: Indian Ocean Time via Indian/Chagos, +06:00; cities No country breakdown available; countries British Indian Ocean Territory.

Open IOT

To side: IRKT

nearby

ICT and IRKT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: IRKT: Irkutsk Time via Asia/Irkutsk, +08:00; cities Irkutsk, Russia, Ulan-Ude, Russia, and Bratsk, Russia; countries Russia.

Open IRKT

To side: NOVT

same offset

ICT and NOVT 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: ICT: Indochina Time via Asia/Ho_Chi_Minh, +07:00; cities Ho Chi Minh City, Vietnam, Hanoi, Vietnam, and Bangkok, Thailand; countries Vietnam, Thailand, and Cambodia.
Neighbor side: NOVT: Novosibirsk Time via Asia/Novosibirsk, +07:00; cities Novosibirsk, Russia, Berdsk, Russia, and Iskitim, Russia; countries Russia.

Open NOVT

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 theEST to ICT page grounded in those concrete places.

EST: Canada (CA); 310 mapped cities; zones America/Atikokan, America/Toronto; city anchors Toronto (America/Toronto, pop 2,794,356), Montréal (America/Toronto, pop 1,762,949), Ottawa (America/Toronto, pop 1,017,449), Mississauga (America/Toronto, pop 717,961); 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.

EST: Haiti (HT); 30 mapped cities; zones America/Port-au-Prince; city anchors Port-au-Prince (America/Port-au-Prince, pop 1,234,742), Carrefour (America/Port-au-Prince, pop 442,156), Delmas (America/Port-au-Prince, pop 382,920), Port-de-Paix (America/Port-au-Prince, pop 306,217); official Republic of Haiti; capital Port-au-Prince; region Americas; subregion Caribbean; population 11,867,032; area 27,750 km2; languages French, Haitian Creole; currency HTG Haitian gourde.

EST: Jamaica (JM); 11 mapped cities; zones America/Jamaica; city anchors Kingston (America/Jamaica, pop 937,700), New Kingston (America/Jamaica, pop 583,958), Spanish Town (America/Jamaica, pop 145,018), Portmore (America/Jamaica, pop 102,861); official Jamaica; capital Kingston; region Americas; subregion Caribbean; population 2,825,544; area 10,991 km2; languages English, Jamaican Patois; currency JMD Jamaican dollar.

EST: Mexico (MX); 6 mapped cities; zones America/Cancun; city anchors Cancún (America/Cancun, pop 888,797), Chetumal (America/Cancun, pop 169,028), Playa del Carmen (America/Cancun, pop 149,923), Cozumel (America/Cancun, pop 77,236); 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.

ICT: Thailand (TH); 423 mapped cities; zones Asia/Bangkok; city anchors Hanoi (Asia/Bangkok, pop 8,053,663), Bangkok (Asia/Bangkok, pop 5,104,476), Haiphong (Asia/Bangkok, pop 2,625,200), Huế (Asia/Bangkok, pop 1,380,000); official Kingdom of Thailand; capital Bangkok; region Asia; subregion South-Eastern Asia; population 65,859,640; area 513,120 km2; languages Thai; currency THB Thai baht.

ICT: Cambodia (KH); 46 mapped cities; zones Asia/Phnom Penh; city anchors Phnom Penh (Asia/Phnom_Penh, pop 1,573,544), Takeo (Asia/Phnom_Penh, pop 843,931), Siem Reap (Asia/Phnom_Penh, pop 139,458), Battambang (Asia/Phnom_Penh, pop 119,251); official Kingdom of Cambodia; capital Phnom Penh; region Asia; subregion South-Eastern Asia; population 17,577,760; area 181,035 km2; languages Khmer; currency KHR Cambodian riel, USD United States dollar.

ICT: Laos (LA); 20 mapped cities; zones Asia/Vientiane; city anchors Vientiane (Asia/Vientiane, pop 840,940), Savannakhet (Asia/Vientiane, pop 125,760), Pakse (Asia/Vientiane, pop 88,332), Thakhèk (Asia/Vientiane, pop 85,000); official Lao People's Democratic Republic; capital Vientiane; region Asia; subregion South-Eastern Asia; population 7,647,000; area 236,800 km2; languages Lao; currency LAK Lao kip.

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 EST and ICT.

From side meaning roster

EST (est) is not marked ambiguous in the abbreviation catalog. Meaning records: Eastern Time at UTC-05:00; listed zones America/Atikokan; America/Cancun; America/Cayman; America/Jamaica; America/Panama; America/Nassau; America/New York; America/Port-au-Prince; America/Grand Turk; America/Toronto; source label Eastern Time - Atikokan.

From side country footprint

EST currently maps to 8 country footprints in the converter dataset: United States (US), Canada (CA), Haiti (HT), Jamaica (JM), Mexico (MX), Panama (PA), Bahamas (BS), Cayman Islands (KY). The footprint spans 9 IANA zones across 10 city anchors.

From side city anchors

EST city anchors in this indexed page family: New York City [new-york-city-US, US, America/New_York, pop 8,804,190]; Toronto [toronto-CA, CA, America/Toronto, pop 2,794,356]; Brooklyn [brooklyn-US, US, America/New_York, pop 2,736,074]; Queens [queens-US, US, America/New_York, pop 2,316,841]; Montréal [montreal-CA, CA, America/Toronto, pop 1,762,949]; Philadelphia [philadelphia-US, US, America/New_York, pop 1,573,916]; Manhattan [manhattan-5125771-US, US, America/New_York, pop 1,487,536]; The Bronx [the-bronx-US, US, America/New_York, pop 1,385,108]; Port-au-Prince [port-au-prince-HT, HT, America/Port-au-Prince, pop 1,234,742]; Ottawa [ottawa-CA, CA, America/Toronto, pop 1,017,449].

From side jurisdiction dossier

EST: United States (US); 1508 mapped cities; zones America/New York; city anchors New York City (America/New_York, pop 8,804,190), Brooklyn (America/New_York, pop 2,736,074), Queens (America/New_York, pop 2,316,841), Philadelphia (America/New_York, pop 1,573,916); 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. EST: Canada (CA); 310 mapped cities; zones America/Atikokan, America/Toronto; city anchors Toronto (America/Toronto, pop 2,794,356), Montréal (America/Toronto, pop 1,762,949), Ottawa (America/Toronto, pop 1,017,449), Mississauga (America/Toronto, pop 717,961); 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. EST: Haiti (HT); 30 mapped cities; zones America/Port-au-Prince; city anchors Port-au-Prince (America/Port-au-Prince, pop 1,234,742), Carrefour (America/Port-au-Prince, pop 442,156), Delmas (America/Port-au-Prince, pop 382,920), Port-de-Paix (America/Port-au-Prince, pop 306,217); official Republic of Haiti; capital Port-au-Prince; region Americas; subregion Caribbean; population 11,867,032; area 27,750 km2; languages French, Haitian Creole; currency HTG Haitian gourde. EST: Jamaica (JM); 11 mapped cities; zones America/Jamaica; city anchors Kingston (America/Jamaica, pop 937,700), New Kingston (America/Jamaica, pop 583,958), Spanish Town (America/Jamaica, pop 145,018), Portmore (America/Jamaica, pop 102,861); official Jamaica; capital Kingston; region Americas; subregion Caribbean; population 2,825,544; area 10,991 km2; languages English, Jamaican Patois; currency JMD Jamaican dollar. EST: Mexico (MX); 6 mapped cities; zones America/Cancun; city anchors Cancún (America/Cancun, pop 888,797), Chetumal (America/Cancun, pop 169,028), Playa del Carmen (America/Cancun, pop 149,923), Cozumel (America/Cancun, pop 77,236); 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.

To side meaning roster

ICT (ict) is not marked ambiguous in the abbreviation catalog. Meaning records: Indochina Time at UTC+07:00; listed zones Asia/Bangkok; Asia/Ho Chi Minh; Asia/Phnom Penh; Asia/Vientiane; source label Indochina Time - Bangkok, Samut Prakan, Mueang Nonthaburi, Chon Buri.

To side country footprint

ICT currently maps to 4 country footprints in the converter dataset: Vietnam (VN), Thailand (TH), Cambodia (KH), Laos (LA). The footprint spans 4 IANA zones across 10 city anchors.

To side city anchors

ICT city anchors in this indexed page family: Ho Chi Minh City [ho-chi-minh-city-VN, VN, Asia/Ho_Chi_Minh, pop 14,002,598]; Hanoi [hanoi-VN, VN, Asia/Bangkok, pop 8,053,663]; Bangkok [bangkok-TH, TH, Asia/Bangkok, pop 5,104,476]; Haiphong [haiphong-VN, VN, Asia/Bangkok, pop 2,625,200]; Phnom Penh [phnom-penh-KH, KH, Asia/Phnom_Penh, pop 1,573,544]; Cần Thơ [can-tho-VN, VN, Asia/Ho_Chi_Minh, pop 1,507,187]; Huế [hue-VN, VN, Asia/Bangkok, pop 1,380,000]; Da Nang [da-nang-VN, VN, Asia/Ho_Chi_Minh, pop 1,276,000]; Biên Hòa [bien-hoa-VN, VN, Asia/Ho_Chi_Minh, pop 1,272,235]; Thanh Hóa [thanh-hoa-VN, VN, Asia/Bangkok, pop 850,000].

To side jurisdiction dossier

ICT: Vietnam (VN); 187 mapped cities; zones Asia/Ho Chi Minh; city anchors Ho Chi Minh City (Asia/Ho_Chi_Minh, pop 14,002,598), Cần Thơ (Asia/Ho_Chi_Minh, pop 1,507,187), Da Nang (Asia/Ho_Chi_Minh, pop 1,276,000), Biên Hòa (Asia/Ho_Chi_Minh, pop 1,272,235); official Socialist Republic of Vietnam; capital Hanoi; region Asia; subregion South-Eastern Asia; population 101,343,800; area 331,212 km2; languages Vietnamese; currency VND Vietnamese đồng. ICT: Thailand (TH); 423 mapped cities; zones Asia/Bangkok; city anchors Hanoi (Asia/Bangkok, pop 8,053,663), Bangkok (Asia/Bangkok, pop 5,104,476), Haiphong (Asia/Bangkok, pop 2,625,200), Huế (Asia/Bangkok, pop 1,380,000); official Kingdom of Thailand; capital Bangkok; region Asia; subregion South-Eastern Asia; population 65,859,640; area 513,120 km2; languages Thai; currency THB Thai baht. ICT: Cambodia (KH); 46 mapped cities; zones Asia/Phnom Penh; city anchors Phnom Penh (Asia/Phnom_Penh, pop 1,573,544), Takeo (Asia/Phnom_Penh, pop 843,931), Siem Reap (Asia/Phnom_Penh, pop 139,458), Battambang (Asia/Phnom_Penh, pop 119,251); official Kingdom of Cambodia; capital Phnom Penh; region Asia; subregion South-Eastern Asia; population 17,577,760; area 181,035 km2; languages Khmer; currency KHR Cambodian riel, USD United States dollar. ICT: Laos (LA); 20 mapped cities; zones Asia/Vientiane; city anchors Vientiane (Asia/Vientiane, pop 840,940), Savannakhet (Asia/Vientiane, pop 125,760), Pakse (Asia/Vientiane, pop 88,332), Thakhèk (Asia/Vientiane, pop 85,000); official Lao People's Democratic Republic; capital Vientiane; region Asia; subregion South-Eastern Asia; population 7,647,000; area 236,800 km2; languages Lao; currency LAK Lao kip.

From side timezone narrative

EST is a North or South American civil-time label, currently 4h behind UTC at -04:00. The label covers 10 IANA zones across 9 countries, with New York City as the busiest live reference. The busiest cities using EST in the current catalog are New York City, Toronto, Brooklyn, Queens, and Montréal. The lead live reference on this page is New York City (America/New_York), currently at -04:00 (EDT). Those cities are what give EST its actual feel rather than the abstract offset. EST currently shows -04:00, but America/New_York 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

EST 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/New_York has an upcoming offset change on November 1, 2026. After that point, EST 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 EST is the exact IANA zone used by your city or system. America/New_York sits at -04:00, 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

EST should not be blindly swapped with nearby labels. Adjacent references in the catalog: EDT (-04:00, Shares the eastern time family); EEST (+03:00, Shares the eastern time family); EET (+03:00, Shares the eastern time family); AEDT (+10:00, Shares the eastern time family); AEST (+10:00, Shares the eastern time family); WIT (+09:00, Shares the eastern time family).

From side answer profile

EST has 1 meaning record, offset range UTC-05:00 to UTC-04:00, labels Eastern Time, and 9 country footprints across 10 IANA zones.

To side timezone narrative

ICT is an Asian civil-time label, currently 7h ahead of UTC at +07:00. The lead reference is Ho Chi Minh City, and the wider grouping reaches 4 countries through 4 IANA zones. The busiest cities using ICT in the current catalog are Ho Chi Minh City, Hanoi, Bangkok, Haiphong, and Phnom Penh. The lead live reference on this page is Ho Chi Minh City (Asia/Ho_Chi_Minh), currently at +07:00 (GMT+7). Those cities are what give ICT its actual feel rather than the abstract offset. ICT has a local identity beyond its offset: mainland Southeast Asia through Thailand, Vietnam, Cambodia, and Laos. Calendar signals such as Songkran, Tet, Khmer New Year, and Pi Mai Lao and operational signals such as Bangkok tourism, Vietnam manufacturing, Cambodia and Laos government scheduling, and Mekong-region support handoffs are why this abbreviation should not be flattened into a same-offset neighbor. ICT is stable on Asia/Ho_Chi_Minh year-round, with no seasonal clock changes in the next year. That makes it a low-friction choice for recurring meetings and broadcast schedules — but software still prefers the IANA zone because governments can change civil-time rules independently of the short code.

To side policy and precision notes

ICT resolves cleanly here, but Asian labels often share letters with American or European ones — IST is shared between India and Israel, for instance. Pinning Asia/Ho_Chi_Minh avoids that whole class of confusion. ICT is fixed at UTC+07 in the current data, with the practical legal context split across four national calendars. Not the same as WIB: the offset matches western Indonesia, but the languages, holidays, currencies, and regional operating assumptions are different. Asia/Ho_Chi_Minh does not show an offset change in the next year, which makes ICT 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 ICT is the exact IANA zone used by your city or system. Asia/Ho_Chi_Minh sits at +07:00, 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

ICT should not be blindly swapped with nearby labels. Adjacent references in the catalog: CXT (+07:00, Currently sits on the same UTC offset); DAVT (+07:00, Currently sits on the same UTC offset); HOVT (+07:00, Currently sits on the same UTC offset); IOT (+06:00, Runs on a nearby UTC offset); IRKT (+08:00, Runs on a nearby UTC offset); NOVT (+07:00, Currently sits on the same UTC offset).

To side answer profile

ICT has 1 meaning record, offset range UTC+07:00, labels Indochina Time, and 4 country footprints across 4 IANA zones.

From side country reference summary

EST 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

ICT country anchor Vietnam: Vietnam, officially the Socialist Republic of Viet Nam (SRV), is a country at the eastern edge of Mainland Southeast Asia. With an area of about 331,000 square kilometres and a population of over 102 million, it is the world's 16th-most populous country. One of two communist states in Southeast Asia, Vietnam is bordered by China to the north, and Laos and Cambodia to the west; it lies along the Gulf of Thailand to the southwest and the South China Sea to the east, where it has shared and disputed maritime borders with other countries. Its capital is Hanoi, while its largest city is Ho Chi Minh City. Source: Wikipedia.

To side trust note 1

To side trust note 2

Pair identity check

EST/ICT uses America/New_York -> Asia/Ho_Chi_Minh, offset delta +11h, overlap 0h, route /convert/est/ict/, and live abbreviation readings EDT/GMT+7.

Reference data for EST to ICT

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.

easterntimeatikokanindochinatimebangkoksamutprakanmueangnonthaburichonburiamericanewyorkasiahochiminheasterntimeindochinatimeunitedstatesthailandcambodianewyorkcityusnewyorkcitytorontocaamericatorontobrooklynusbrooklynqueensusmontrealcamontréalmontrealphiladelphiausphiladelphiaportauprincehtportauprinceamericaportauprinceottawacahochiminhcityvnhochiminhcitybangkokthasiabangkokphnompenhkhphnompenhasiaphnompenhcanthovndanangvnbienhoavnwashingtondcunitedstatesdollaramericasnorthamericacanadiandollarhaitiancreolehaitiangourdecaribbeankingstonjamaicanpatoisjamaicandollarmexicocitymexicanpesovietnamesevietnameseđồngsoutheasternasiathaibahtcambodianrielvientianecapitalwashingtondcenglishusdunitedstatesdollaramericaatikokanamericatorontocapitalottawaenglishfrenchcadcanadiandollarcapitalportauprincefrenchhaitiancreolehtghaitiangourdeamericajamaicacapitalkingstonenglishjamaicanpatoisjmdjamaicandollaramericacancuncapitalmexicocityspanishmxnmexicanpesocapitalhanoivietnamesevndvietnameseđồngreferencepairamericanewyorkasiahochiminhliveoffsetsest0400vsict0700meaningspliteasterntimeindochinatimecountryanchorsunitedstatescanadaandhaitivietnamthailandandcambodiacityanchorsnewyorkcitytorontobrooklynqueenshochiminhcitybangkokphnompenhcầnthơworkdayoverlapnostrict9to5overlapinthecurrentoffsetstatemorninganswer9amest800pmictsamedayeveninganswer6pmest500amictnextdayictlocalintent1ictlocalintent2exactpairidentitycivilcalendardifferencessameoffsetcautionjurisdictionevidenceoffsetbehaviorclassdstasymmetrycheckamericanewyorkchangesfrom0400edtto0500estonnovember12026atabout100amcalendarevidencedayshiftfingerprintindexingposturesameoffsetmathcheckneighborauditcanonicalevidencefromsidesharestheeasterntimefamilycurrentlysitsonthesameutcoffsetrunsonanearbyutcoffsetfromsidemeaningrosterfromsidecountryfootprintfromsidecityanchorsfromsidejurisdictiondossiertosidemeaningrostertosidecountryfootprinttosidecityanchorstosidejurisdictiondossierfromsidetimezonenarrativefromsidepolicyandprecisionnotesfromsidenearbyabbreviationsfromsideanswerprofiletosidetimezonenarrativetosidepolicyandprecisionnotestosidenearbyabbreviationstosideanswerprofilefromsidecountryreferencesummarytosidecountryreferencesummarytosidetrustnote1tosidetrustnote2pairidentitycheckicteastern

Market coverage on both sides

EST coverage on this page is led by New York City, United States, Toronto, Canada, Brooklyn, United States, and Queens, United States, with 2 more in the live dataset. That mix is what makes EST feel anchored to East Coast and Central American business activity in practice rather than just an abbreviation on a chart.

ICT coverage is led by Ho Chi Minh City, Vietnam, Hanoi, Vietnam, Bangkok, Thailand, and Haiphong, Vietnam, with 2 more anchoring the wider label family. Combined with the EST side, this conversion ends up describing trans-Pacific outsourcing handoffs, gaming and entertainment release windows, and follow-the-sun engineering rotations. Local signals include Bangkok tourism, Vietnam manufacturing, and Cambodia and Laos government scheduling.

Digit-roll converter

Adjust the time. Digits roll like an odometer, and the swap button flips the zones.

From

Common meeting times

EST to ICT meeting times

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

EST	ICT	Day relation
9:00 AM	8:00 PMMon, May 25	same day
12:00 PM	11:00 PMMon, May 25	same day
3:00 PM	2:00 AMTue, May 26	next day
6:00 PM	5:00 AMTue, May 26	next day
9:00 PM	8:00 AMTue, May 26	next day

ICT to EST meeting times

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

ICT	EST	Day relation
9:00 AM	10:00 PMSun, May 24	previous day
12:00 PM	1:00 AMMon, May 25	same day
3:00 PM	4:00 AMMon, May 25	same day
6:00 PM	7:00 AMMon, May 25	same day
9:00 PM	10:00 AMMon, May 25	same day

Operational notes

EST to ICT ranges from EST 9:00 AM (which lands at ICT 8:00 PM) through EST 9:00 PM (ICT 8:00 AM). Most of those slots fall on a different calendar day on the ICT side, which is why this direction always needs explicit dates in invites and ticket comments — the time alone is not enough.

ICT to EST ranges from ICT 9:00 AM (which lands at EST 10:00 PM) through ICT 9:00 PM (EST 10:00 AM). With no clean 9-to-5 overlap between ICT and EST, 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 +11h right now, based on America/New_York at -04:00 and Asia/Ho_Chi_Minh at +07:00. America/New_York changes offset on November 1, 2026, so the gap moves to +12h 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/New_York changes from -04:00 (EDT) to -05:00 (EST) on November 1, 2026 at about 1:00 AM.

Reference zones

America/New_York

EDT · -04:00

Asia/Ho_Chi_Minh

GMT+7 · +07:00

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

Conversion Table

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

Top cities using EST

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

New York CityUnited States TorontoCanada BrooklynUnited States QueensUnited States MontréalCanada PhiladelphiaUnited States Port-au-PrinceHaiti OttawaCanada

Top cities using ICT

Countries represented here include Vietnam, Thailand, and Cambodia.

Ho Chi Minh CityVietnam BangkokThailand Phnom PenhCambodia Cần ThơVietnam Da NangVietnam Biên HòaVietnam

FAQ

How many hours is ICT ahead of EST?: ICT is currently +11h relative to EST, using America/New_York and Asia/Ho_Chi_Minh as the live reference zones on this page.
What is the best workday overlap between EST and ICT?: 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 EST-ICT time difference change during DST?: The live gap is +11h right now, based on America/New_York at -04:00 and Asia/Ho_Chi_Minh at +07:00. America/New_York changes offset on November 1, 2026, so the gap moves to +12h after that transition.
Which cities commonly use EST and ICT?: EST commonly covers cities such as New York City, Toronto, Brooklyn, and Queens, while ICT commonly covers cities such as Ho Chi Minh City, Hanoi, Bangkok, and Haiphong.
Should I use EST/ICT or exact IANA zones?: Use the abbreviations for a quick read, but use exact IANA zones such as America/New_York and Asia/Ho_Chi_Minh when you need something precise in software, travel plans, or long-range scheduling.

Open Interactive Converter

Related Conversions

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

Related planning pages

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Interactive converter

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World clock

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Browse city pages

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EST to ICT Converter.

EST

ICT

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

ICT local intent 1

ICT local intent 2

Country calendar contrast

United States

Canada

Haiti

Jamaica

Mexico

Vietnam

Neighboring abbreviation checks

From side: EDT

From side: EEST

From side: EET

From side: AEDT

From side: AEST

From side: WIT

To side: CXT

To side: DAVT

To side: HOVT

To side: IOT

To side: IRKT

To side: NOVT

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

EST to ICT meeting times

ICT to EST meeting times

Operational notes

Popular hour answers

What is 8 AM EST in ICT?

What is 9 AM EST in ICT?

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What is 11 AM EST in ICT?

What is 12 PM EST in ICT?

What is 1 PM EST in ICT?