UTC
Universal Time Coordinated
GMT +0
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

UTC is 1 hour behind WST. UTC uses GMT +0, and WST uses GMT +1 for this comparison.

For example, 12:00 pm UTC is 1:00 pm WST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9am-4pm UTC, which is 10am-5pm WST.

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

Time Difference

Universal Time Coordinated is 1 hour behind Western Sahara Summer Time
12:00 pm12:00 in UTC is 1:00 pm13:00 in WST

UTC to WST call time
Best time for a conference call or a meeting is between 9am-4pm in UTC which corresponds to 10am-5pm in WST

12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
1:00 pm13:00 Western Sahara Summer Time (WST). Offset UTC +1:00 hour

12:00 pm12:00 UTC / 1:00 pm13:00 WST

UTCWST
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC 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 UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • 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

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