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PST/PDT
Pacific Standard Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT is not used on this date
This converter uses PST (GMT -8), the offset Los Angeles uses on this date. Open the PST converter.
WST/WT
Western Sahara Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WT is not used on this date
This converter uses WST (GMT +1), the offset El Aaiun uses on this date. Open the WST converter.

Quick answers

For most of the year, PDT is 8 hours behind WST. During seasonal clock changes, PST is 9 hours behind WST, PST is 8 hours behind WT, or PDT is 7 hours behind WT.

For most of the year, working hours of 9:00 am to 5:00 pm in PDT correspond to 5:00 pm to 1:00 am (next day) in WST. During seasonal clock changes, working hours of 9:00 am to 5:00 pm in PST correspond to 6:00 pm to 2:00 am (next day) in WST, working hours of 9:00 am to 5:00 pm in PST correspond to 5:00 pm to 1:00 am (next day) in WT, or working hours of 9:00 am to 5:00 pm in PDT correspond to 4:00 pm to 12:00 am (next day) in WT.

Compare PDT time with WT 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 Daylight Time

Offset: PDT is 7 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 PDT 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: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Daylight Time (PDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Daylight Time (PDT) starts 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. Daylight saving starts annually on the second Sunday of March

PDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT 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
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Western Sahara Standard Time

Offset: WT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Africa

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

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Western Sahara Standard Time (WT) ended 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 local daylight time instead. Standard time ends annually on the first Sunday of April.

Daylight saving time clock moves back for one hour from 3am to 2amStart: Western Sahara Standard Time (WT) starts 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. Standard time starts annually on the third Sunday of February.

WT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for WT
  • Z - short form of 'Zulu'
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone