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PT/PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
UTC−8
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 27, 2026 = 4:00 am04:00 PST (UTC-8), Oct 27, 2026

PDT is 1 hour ahead of PST.

How the time difference changes

For most of the year, PT is 1 hour ahead of PST Pitcairn. From Nov 1, 2026 to Mar 14, 2027, PT and PST Pitcairn have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 8:00 am to 5:00 pm in PST Pitcairn. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 9:00 am to 6:00 pm in PST Pitcairn.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 08:00 to 17:00 in PST Pitcairn. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 09:00 to 18:00 in PST Pitcairn.

Compare PT time with PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Daylight Time is 1 hour ahead of Pitcairn Standard Time.
5:00 am05:00 in PDT is 4:00 am04:00 in PST

PDT to PST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in PDT which corresponds to 9am-5pm09:00-17:00 in PST

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
4:00 am04:00 Pitcairn Standard Time (PST). Offset UTC -8:00 hours

5:00 am05:00 PDT / 4:00 am04:00 PST

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Hourly time comparison
PTPST
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23:00 previous day
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Pacific Time

Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in North America. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.

Territories observing the Pacific Time Zone are primarily in North America. It runs through the western United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

PT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PT
  • U - short form of 'Uniform'
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Pitcairn Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Pitcairn

Principal Cities: The largest city in the PST time zone is Adamstown in Pitcairn, with about 46 people.

Daylight Saving: Clocks in Pitcairn Standard Time (PST) do not change for daylight saving time, so PST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone