GMT
Greenwich Mean Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
YST
Yukon Standard Time
GMT -7
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

GMT is 7 hours ahead of YST. GMT uses GMT +0, and YST uses GMT -7 for this comparison.

For example, 12:00 pm GMT is 5:00 am YST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 4pm-5pm GMT, which is 9am-10am YST.

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

Time Difference

Greenwich Mean Time is 7 hours ahead of Yukon Standard Time
12:00 pm12:00 in GMT is 5:00 am05:00 in YST

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

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
5:00 am05:00 Yukon Standard Time (YST). Offset UTC -7:00 hours

12:00 pm12:00 GMT / 5:00 am05:00 YST

GMTYST
12am (midnight)5pm
1am6pm
2am7pm
3am8pm
4am9pm
5am10pm
6am11pm
7am12am (midnight)
8am1am
9am2am
10am3am
11am4am
12pm (noon)5am
1pm6am
2pm7am
3pm8am
4pm9am
5pm10am
6pm11am
7pm12pm (noon)
8pm1pm
9pm2pm
10pm3pm
11pm4pm
00:0017:00
01:0018:00
02:0019:00
03:0020:00
04:0021:00
05:0022:00
06:0023:00
07:0000:00
08:0001:00
09:0002:00
10:0003:00
11:0004:00
12:0005:00
13:0006:00
14:0007:00
15:0008:00
16:0009:00
17:0010:00
18:0011:00
19:0012:00
20:0013:00
21:0014:00
22:0015:00
23:0016:00

Greenwich Mean Time

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

Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Abidjan, Dakar, Grand Dakar, Accra.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT Time Zone Geo Map
GMT timezone map

GMT 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 GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
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

Yukon Standard Time

Offset: YST is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Daylight Saving: Clocks in Yukon Standard Time (YST) do not change for daylight saving time, so YST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

French: HNY - Heure Normale du Yukon

YST 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 YST
  • T - short form of 'Tango'
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone