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Données des villes par GeoNames (CC BY 4.0). Données de fuseaux horaires de la base de données des fuseaux horaires de l'IANA.

  1. WorldClockTools
  2. Convertisseur de Fuseau Horaire
  3. PST -> PDT

Timezone converter

Convertisseur PST vers PDT.

PST → PDTGap: +0h8h 9-5 overlap

PST to PDT currently uses Pitcairn Time in America/Los_Angeles and Pacific Time in America/Los_Angeles as the live reference pair, with a +0h live gap. PST to PDT matters whenever Los Angeles and Los Angeles need to coordinate across a +0h gap. The PST side covers United States and Mexico, while PDT covers United States and Mexico — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Last updated Apr 26, 2026. Offset math, DST behavior, and city coverage on both sides are refreshed from the live timezone dataset during the page revalidation window.

How this is calculated

How we calculate this
The current offset for each abbreviation is resolved against the live IANA timezone rules. Conversion accounts for DST transitions on both sides, so the gap between PST and PDT can change by an hour twice a year.
Data sources
IANA Time Zone Database (offsets, DST). City attribution from GeoNames (CC BY 4.0).
Update cadence
Page regenerates daily; live offset values reflect the moment the page is rendered.
Reverse: PDT → PST

From

PST

Pitcairn Time

America/Los_Angeles · PDT -07:00

--:--:--

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

To

PDT

Pacific Time

America/Los_Angeles · PDT -07:00

--:--:--

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

Scheduling snapshot

Current gap

+0h

PST -07:00 vs PDT -07:00

9-to-5 overlap

8h

PST 9:00 AM previous day to 5:00 PM previous day

Representative countries

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

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

Pair context

PST (Los Angeles, -07:00) to PDT (Los Angeles, -07:00) is currently a +0h conversion. Live coverage on the PST side is anchored by Los Angeles, Tijuana, San Diego, and Mexicali; the PDT side draws from Los Angeles, Tijuana, San Diego, and Mexicali.

PST to PDT matters whenever Los Angeles and Los Angeles need to coordinate across a +0h gap. The PST side covers United States and Mexico, while PDT covers United States and Mexico — that country mix is the practical reason this conversion shows up in calendars rather than the abstract offset math.

Both reference zones sit inside America, so this is a regional comparison rather than a long-haul conversion. The gap of +0h mostly affects intra-continental travel, regional logistics, and America-wide calendars.

Both PST (America/Los_Angeles) and PDT (America/Los_Angeles) observe daylight saving, but the shift dates do not always align. Expect short mismatch windows in spring and autumn when one side has changed and the other has not, which moves the live gap by an hour for several weeks at a time.

PST and PDT sit exactly 0h apart, leaving a generous 8h of shared 9-to-5 time. With that much overlap, this pair behaves almost like a single workday, so meeting times are negotiable rather than forced into a narrow corner of the calendar.

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.

PDT coverage is led by Los Angeles, United States, Tijuana, Mexico, San Diego, United States, and Mexicali, Mexico, with 2 more anchoring the wider label family. Combined with the PST side, this conversion ends up describing intra-America regional logistics and travel coordination.

Digit-Roll Converter

Adjust the time — digits roll like an odometer. Swap button flips the zones.

FROM
1
4
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3
0
TO
0
7
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3
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Common meeting times

PST to PDT meeting times

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

PSTPDTDay relation
9:00 AM9:00 AMSun, Apr 26same day
12:00 PM12:00 PMSun, Apr 26same day
3:00 PM3:00 PMSun, Apr 26same day
6:00 PM6:00 PMSun, Apr 26same day
9:00 PM9:00 PMSun, Apr 26same day

PDT to PST meeting times

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

PDTPSTDay relation
9:00 AM9:00 AMSun, Apr 26same day
12:00 PM12:00 PMSun, Apr 26same day
3:00 PM3:00 PMSun, Apr 26same day
6:00 PM6:00 PMSun, Apr 26same day
9:00 PM9:00 PMSun, Apr 26same day

Operational notes

PST to PDT ranges from PST 9:00 AM (which lands at PDT 9:00 AM) through PST 9:00 PM (PDT 9:00 PM). PST and PDT are close enough that this direction reads almost like a same-zone schedule — most PST invites land on a sensible PDT hour without any extra effort.

PDT to PST ranges from PDT 9:00 AM (which lands at PST 9:00 AM) through PDT 9:00 PM (PST 9:00 PM). PDT and PST are close enough that this direction reads almost like a same-zone schedule — most PDT invites land on a sensible PST hour without any extra effort.

Popular hour answers

These direct answers are here for the exact-intent searches people actually use, like “10 AM PST to PDT” or “4 PM PST in PDT”.

8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM9 PM

What is 8 AM PST in PDT?

8 AM PST = 8:00 AM PDT (08:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 AM PST in PDT?

9 AM PST = 9:00 AM PDT (09:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 10 AM PST in PDT?

10 AM PST = 10:00 AM PDT (10:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 11 AM PST in PDT?

11 AM PST = 11:00 AM PDT (11:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 12 PM PST in PDT?

12 PM PST = 12:00 PM PDT (12:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 1 PM PST in PDT?

1 PM PST = 1:00 PM PDT (13:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 2 PM PST in PDT?

2 PM PST = 2:00 PM PDT (14:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 3 PM PST in PDT?

3 PM PST = 3:00 PM PDT (15:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 4 PM PST in PDT?

4 PM PST = 4:00 PM PDT (16:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 5 PM PST in PDT?

5 PM PST = 5:00 PM PDT (17:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 6 PM PST in PDT?

6 PM PST = 6:00 PM PDT (18:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

What is 9 PM PST in PDT?

9 PM PST = 9:00 PM PDT (21:00). On today's live calendar that lands on Sun, Apr 26 in PDT, which means the answer is a same day conversion rather than a static offset lookup.

Overlap window and DST radar

The live gap is +0h right now, based on America/Los_Angeles at -07:00 and America/Los_Angeles at -07:00. Both zones change on November 1, 2026, so the gap usually stays close to +0h.

The most usable workday block right now is about 8 hours: PST 9:00 AM previous day to 5:00 PM previous day, which lines up with PDT 9:00 AM previous day to 5:00 PM previous day.

America/Los_Angeles changes on November 1, 2026 at about 1:15 AM, moving from -08:00 to -08:00.
America/Los_Angeles changes on November 1, 2026 at about 1:15 AM, moving from -08:00 to -08:00.

Reference zones

America/Los_Angeles

PDT · -07:00

America/Los_Angeles

PDT · -07:00

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

Tableau de Conversion

PSTPDT
17:0017:00
18:0018:00
19:0019:00
20:0020:00
21:0021:00
22:0022:00
23:0023:00
00:0000:00
01:0001:00
02:0002:00
03:0003:00
04:0004:00
05:0005:00
06:0006:00
07:0007:00
08:0008:00
09:0009:00
10:0010:00
11:0011:00
12:0012:00
13:0013:00
14:0014:00
15:0015:00
16:0016:00

Top cities using PST

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

Los AngelesUnited StatesTijuanaMexicoSan DiegoUnited StatesMexicaliMexicoSan JoseUnited StatesSan FranciscoUnited StatesSeattleUnited StatesVancouverCanadaPortlandUnited StatesLas VegasUnited States

Top cities using PDT

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

Los AngelesUnited StatesTijuanaMexicoSan DiegoUnited StatesMexicaliMexicoSan JoseUnited StatesSan FranciscoUnited StatesSeattleUnited StatesVancouverCanadaPortlandUnited StatesLas VegasUnited States

FAQ

How many hours is PDT ahead of PST?
PDT is currently +0h relative to PST, using America/Los_Angeles and America/Los_Angeles as the live reference zones on this page.
What is the best workday overlap between PST and PDT?
The current 9-to-5 overlap is about 8 hours: PST 9:00 AM previous day to 5:00 PM previous day, which matches PDT 9:00 AM previous day to 5:00 PM previous day.
Does the PST-PDT time difference change during DST?
The live gap is +0h right now, based on America/Los_Angeles at -07:00 and America/Los_Angeles at -07:00. Both zones change on November 1, 2026, so the gap usually stays close to +0h.
Which cities commonly use PST and PDT?
PST commonly covers cities such as Los Angeles, Tijuana, San Diego, and Mexicali, while PDT commonly covers cities such as Los Angeles, Tijuana, San Diego, and Mexicali.
Should I use PST/PDT or exact IANA zones?
Use the abbreviations for a quick read, but use exact IANA zones such as America/Los_Angeles and America/Los_Angeles when you need something precise in software, travel plans, or long-range scheduling.
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Conversions Associées

EST → PSTPST → CSTPST → MSTPST → GMTPST → UTCPST → ISTPST → CETPST → CESTPST → JSTPST → AESTPST → AEDTPST → BST

Related planning pages

Once a conversion pair matters, people usually need a city page, compare page, or a broader browse surface next.

Interactive converter

Move from this static pair into the full timezone converter with more cities and abbreviations.

Compare city pairs

Use compare pages when the practical question is overlap, not just offset arithmetic.

World clock

Open live city clocks after narrowing the timezone pair you care about.

Browse city pages

Jump into the strongest city pages when you want location-specific timezone context.