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PT/PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WST
UTC+13
tomorrow (next day)
20h ahead
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5:00 am05:00 PDT (UTC-7), Oct 15, 2026 = 1:00 am01:00 WST (UTC+13), Oct 16, 2026

PDT is 20 hours behind WST.

How the time difference changes

For most of the year, PT is 20 hours behind WST Pacific. From Nov 1, 2026 to Mar 14, 2027, PT is 21 hours behind WST Pacific.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 5:00 am (next day) to 2:00 pm (next day) in WST Pacific. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 6:00 am (next day) to 3:00 pm (next day) in WST Pacific.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 05:00 (next day) to 14:00 (next day) in WST Pacific. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 06:00 (next day) to 15:00 (next day) in WST Pacific.

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

Time Difference

Pacific Daylight Time is 20 hours behind West Samoa Time.
5:00 am05:00 in PDT is 1:00 am01:00 in WST

PDT to WST call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in PDT which corresponds to 9am-2pm09:00-14:00 in WST (next day)

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
1:00 am01:00 West Samoa Time (WST). Offset UTC +13:00 hours

5:00 am05:00 PDT / 1:00 am01:00 WST

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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 the United States and Canada. 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 part of Canada, the United States and the Northwestern part of Mexico.

Countries using this time zone: Canada, 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

West Samoa Time

Offset: WST is 13 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Samoa (western)

Principal Cities: The largest city in the WST time zone is Apia in Samoa, with about 40,407 people. Other major cities in this time zone include Palauli, Asau, Mulifanua, Sale’imoa.

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

WST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +13 - basic short
  • +1300 - basic
  • +13:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates an offset of thirteen hours to the east of the zero meridian.
WST Abbreviation: Several time zones share WST abbreviation and it could refer to these time zones
  • Western Sahara Summer Time - UTC +1
  • West Samoa Time - UTC +13
Time zones with the GMT +13 offset:
  • FJST - Fiji Summer Time
  • NZDT - New Zealand Daylight Time
  • PHOT - Phoenix Island Time
  • TKT - Tokelau Time
  • TOT - Tonga Time
  • WST - West Samoa Time
  • WSST - West Samoa Standard Time