Time zone · Americas
PDT
Pacific Daylight Time
Pacific Daylight Time (PDT, UTC-07:00) is the summer time on the U.S. West Coast and in the Mexican state of Baja California. Clocks move forward from PST (UTC-08:00) on the second Sunday in March and back on the first Sunday in November. British Columbia last used PDT in summer 2026; from November 1, 2026 it stays on UTC-07:00 all year.
Wednesday, October 14, 2026
Current offset
UTC-07:00
Daylight · PDT
Daylight saving
Active
Reverts 1 Nov 2026
IANA zones
3
2 observe DST, 1 doesn't
DST offset
—
No summer variant
About PDT
Standard time, with a summer shift.
Pacific Daylight Time (PDT, UTC-07:00) is the summer time on the U.S. West Coast and in the Mexican state of Baja California. Clocks move forward from PST (UTC-08:00) on the second Sunday in March and back on the first Sunday in November. British Columbia last used PDT in summer 2026; from November 1, 2026 it stays on UTC-07:00 all year.
IANA zones · the technical identifiers
The 3 zones that resolve to PDT.
For software, always store the IANA identifier — never the abbreviation alone. The database keeps these zones distinct because their rules can, and historically did, diverge.
Cities across PDT
Local time, city by city.
13 cities
Where PDT is used
3 countries.
Same offset · UTC-07:00
Other zones at UTC-07:00 right now.
These named zones share PDT's offset today. When daylight saving rules differ, they drift apart for part of the year.
Convert
PDT to the world's clocks.
Frequently asked questions
Common questions about PDT, daylight saving, and how to handle it in software. Can't find what you need? Email [email protected].
- What does PDT cover outside the U.S.?
- Outside the U.S., PDT is used in the Mexican state of Baja California, including Tijuana. Most of British Columbia, including Vancouver, last used it in summer 2026; from November 1, 2026 it stays on UTC-07:00 all year.
- When do clocks change in PDT?
- In the PDT region, clocks typically spring forward in early March and fall back in early November, giving about eight months of daylight saving time.
- Why does this region observe DST?
- The shift aims to extend usable daylight into the evening, supporting tourism, outdoor activities, and energy savings along the Pacific Coast and border regions.
- When does PDT end?
- PDT ends at 2:00 a.m. on the first Sunday in November, when clocks fall back to standard time (PST, UTC-08:00). British Columbia stopped falling back in 2026 and stays on UTC-07:00 all year.
Source: IANA tzdb2026d · Reviewed
Free · Developer API
This time zone, as JSON.
Its defining offset, DST status and member counts, from one endpoint.
Also in the API: time zones by coordinates, conversions that flag daylight saving gaps, and abbreviations decoded.
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