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UTC to PST Converter

Pacific Time is UTC−8 (PST) in winter and UTC−7 (PDT) in summer.

Coordinated Universal TimeUTC

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UTC
—difference

Pacific TimeLos Angeles

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PST

Subtract 8 hours from UTC for PST and 7 hours for PDT. Times before 08:00 UTC (07:00 in summer) fall on the previous day in California.

Convert UTC to PT

— Pacific Time

UTC to PST conversion table

Formula: PT = UTC − 8 hours (UTC→PST) or − 7 hours (UTC→PDT).

UTCPT · UTC → PSTPT · UTC → PDT
00:004:00 PM prev day5:00 PM prev day
01:005:00 PM prev day6:00 PM prev day
02:006:00 PM prev day7:00 PM prev day
03:007:00 PM prev day8:00 PM prev day
04:008:00 PM prev day9:00 PM prev day
05:009:00 PM prev day10:00 PM prev day
06:0010:00 PM prev day11:00 PM prev day
07:0011:00 PM prev day12:00 AM
08:0012:00 AM1:00 AM
09:001:00 AM2:00 AM
10:002:00 AM3:00 AM
11:003:00 AM4:00 AM
12:004:00 AM5:00 AM
13:005:00 AM6:00 AM
14:006:00 AM7:00 AM
15:007:00 AM8:00 AM
16:008:00 AM9:00 AM
17:009:00 AM10:00 AM
18:0010:00 AM11:00 AM
19:0011:00 AM12:00 PM
20:0012:00 PM1:00 PM
21:001:00 PM2:00 PM
22:002:00 PM3:00 PM
23:003:00 PM4:00 PM

Only the US side changes for daylight saving (in 2026: Mar 8 and Nov 1), so the gap shifts by 1 hour twice a year.

Business hours in UTC

A 9 AM–5 PM working day in Pacific Time runs 17:00–01:00 UTC in winter (PST) and 16:00–00:00 UTC in summer (PDT). Server logs, flight times, and APIs usually use UTC, so keep this window handy when scheduling deployments or calls.

Frequently asked questions

What is 00:00 UTC in PST?

Midnight UTC is 4:00 PM PST on the previous day, or 5:00 PM PDT in summer.

Is PST UTC−8 or UTC−7?

PST is UTC−8. PDT, used from March to November, is UTC−7.

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