PST
Pacific Standard Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WST
Western Sahara Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

PST is 9 hours behind WST. PST uses GMT -8, and WST uses GMT +1 for this comparison.

For example, 4:00 am PST is 1:00 pm WST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 8am-9am PST, which is 5pm-6pm WST.

PST is a fixed UTC-8 standard-time offset. For current Pacific Time, compare PDT to WST or PT to WST.

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

Time Difference

Pacific Standard Time is 9 hours behind Western Sahara Summer Time
4:00 am04:00 in PST is 1:00 pm13:00 in WST

PST to WST call time
Best time for a conference call or a meeting is between 8am-9am in PST which corresponds to 5pm-6pm in WST

4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
1:00 pm13:00 Western Sahara Summer Time (WST). Offset UTC +1:00 hour

4:00 am04:00 PST / 1:00 pm13:00 WST

PSTWST
12am (midnight)9am
1am10am
2am11am
3am12pm (noon)
4am1pm
5am2pm
6am3pm
7am4pm
8am5pm
9am6pm
10am7pm
11am8pm
12pm (noon)9pm
1pm10pm
2pm11pm
3pm12am (midnight)
4pm1am
5pm2am
6pm3am
7pm4am
8pm5am
9pm6am
10pm7am
11pm8am
00:0009:00
01:0010:00
02:0011:00
03:0012:00
04:0013:00
05:0014:00
06:0015:00
07:0016:00
08:0017:00
09:0018:00
10:0019:00
11:0020:00
12:0021:00
13:0022:00
14:0023:00
15:0000:00
16:0001:00
17:0002:00
18:0003:00
19:0004:00
20:0005:00
21:0006:00
22:0007:00
23:0008:00

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include Vancouver, Tijuana, San Diego, San Jose.

French: HNP - Heure Normale du Pacifique

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

PST Time Zone Geo Map
PST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Standard Time (PST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

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

Western Sahara Summer Time

Offset: WST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Africa

Daylight Saving: Western Sahara Summer Time (WST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Western Sahara Standard Time (WT).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Western Sahara Summer Time (WST) started on Sunday, April 6, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, April 6, 2025, 3:00 am. Daylight saving starts annually on the first Sunday of April

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Western Sahara Summer Time (WST) ends on Sunday, February 15, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, February 15, 2026, 2:00 am local standard time instead. Daylight saving ends annually on the third Sunday of February

WST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for WST
  • A - short form of 'Alpha'
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 +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time