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Convert UTC to PST

PST, Pacific Standard Time, is UTC−8, used on the US West Coast from November to March. From March to November the West Coast is on PDT (UTC−7). Both columns are below.

Noon UTC
12:00 PM UTC = 4:00 AM PST
Other times of year: 5:00 AM PDT (31 Oct–1 Nov, 14 Mar–30 Oct).

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UTC to PST, hour by hour

UTC → PST: 1 Nov–14 Mar · UTC → PDT: 31 Oct–1 Nov, 14 Mar–30 Oct

UTCUTC → PSTUTC → PDT
12:00 AM4:00 PM −1 day5:00 PM −1 day
1:00 AM5:00 PM −1 day6:00 PM −1 day
2:00 AM6:00 PM −1 day7:00 PM −1 day
3:00 AM7:00 PM −1 day8:00 PM −1 day
4:00 AM8:00 PM −1 day9:00 PM −1 day
5:00 AM9:00 PM −1 day10:00 PM −1 day
6:00 AM10:00 PM −1 day11:00 PM −1 day
7:00 AM11:00 PM −1 day12:00 AM
8:00 AM12:00 AM1:00 AM
9:00 AM1:00 AM2:00 AM
10:00 AM2:00 AM3:00 AM
11:00 AM3:00 AM4:00 AM
12:00 PM4:00 AM5:00 AM
1:00 PM5:00 AM6:00 AM
2:00 PM6:00 AM7:00 AM
3:00 PM7:00 AM8:00 AM
4:00 PM8:00 AM9:00 AM
5:00 PM9:00 AM10:00 AM
6:00 PM10:00 AM11:00 AM
7:00 PM11:00 AM12:00 PM
8:00 PM12:00 PM1:00 PM
9:00 PM1:00 PM2:00 PM
10:00 PM2:00 PM3:00 PM
11:00 PM3:00 PM4:00 PM

Daylight saving time: the next clock changes

  • UTC: no clock changes (no daylight saving time).
  • Los Angeles: Sun, 1 Nov 2026: at 2:00 AM clocks go back to 1:00 AM (PDT → PST, UTC−8); Sun, 14 Mar 2027: at 2:00 AM clocks go forward to 3:00 AM (PST → PDT, UTC−7)

Good to know

  • Midnight UTC is 4:00 PM PST (5:00 PM PDT) on the previous day: dashboards that reset at UTC midnight reset in the California afternoon.
  • Washington, Oregon, California and Nevada use Pacific Time; Arizona mostly does not change clocks.
  • Say “PT” or “Pacific Time” when you don’t want to commit to PST or PDT.

Questions

How many hours is PST behind UTC?

8 hours for most of the year (PST). 7 hours behind while it is PDT (31 Oct–1 Nov, 14 Mar–30 Oct).

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Related

UTC to ESTPST to ISTLos Angeles – New York (PST/EST)Los Angeles – London