PDT time now |
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10:36:55 Fri, 4 Jul 2025
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| UTC Offset: UTC -7 |
Pacific Daylight Time (PDT) operates at UTC−7 and is the daylight saving time observed across much of the Pacific Time Zone in North America. It is also known as "Pacific Summer Time" or simply part of "Pacific Time." PDT is the summer counterpart to Pacific Standard Time (PST, UTC−8) and typically begins in mid-March and ends in early November, with clocks set forward by one hour to extend evening daylight hours.
Importance and Global Use of PDT
Pacific Daylight Time is vital for synchronizing activities across major west coast economic centers such as Los Angeles, San Francisco, Seattle, Vancouver, and Tijuana. These regions depend on PDT to coordinate transportation, broadcasting, finance, and technology operations efficiently during the summer months when longer daylight supports extended business and social activities.
Globally, PDT helps maintain connections across the Pacific Rim by aligning schedules with Asian and European markets. Its strategic position between other North American and international time zones supports real-time global collaboration, making it essential for industries that operate on a 24-hour cycle, including logistics, digital services, and multinational corporations.
Where and When PDT is used worldwide
North America
US states using PDT during summer and PST during winter:
- California
- Idaho - northern counties (panhandle) InfoEncompassing the 10 northernmost counties — Benewah, Bonner, Boundary, Clearwater, Idaho, Kootenai, Latah, Lewis, Nez Perce, and Shoshone. The rest of Idaho observes MST/MDT time zones.
- Nevada
- Oregon (except for most of Malheur County, which observes MST/MDT)
- Washington
Canadian provinces and territories PDT during summer and PST during winter:
- British Columbia (except some eastern and southeastern communities) InfoPeace River Regional District (including Dawson Creek and Fort St. John), on MST year-round. Creston area, on MST year-round without daylight saving. Some southeastern communities near the Alberta border (including Cranbrook and Fernie) on MST/MDT time zone.
Mexican states PDT during summer and PST during winter:
- Baja California
Other Time Zones in UTC -7
Other time zones share the same offset as Pacific Daylight Time (PDT), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.
- Mountain Standard Time – MST