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GMT
12am
3am
6am
9am
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MMT
UTC+6:30
6h 30m ahead
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Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Oct 28, 2026 = 6:30 pm18:30 MMT (UTC+6:30), Oct 28, 2026

GMT is 6 hours and 30 minutes behind MMT.

GMT and MMT examples

These examples always use GMT (UTC+0) and MMT (UTC+6:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

GMT is 6 hours and 30 minutes behind MMT.

How the time difference changes

GMT is 6 hours and 30 minutes behind MMT year-round.

Working hours of 9:00 am to 6:00 pm in GMT correspond to 3:30 pm to 12:30 am (next day) in MMT.Working hours of 09:00 to 18:00 in GMT correspond to 15:30 to 00:30 (next day) in MMT.

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

Time Difference

Greenwich Mean Time is 6 hours and 30 minutes behind Myanmar Time.
12:00 pm12:00 in GMT is 6:30 pm18:30 in MMT

GMT to MMT call time
Best time for a conference call or a meeting is between 9am-11:30am09:00-11:30 in GMT which corresponds to 3:30pm-6pm15:30-18:00 in MMT

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
6:30 pm18:30 Myanmar Time (MMT). Offset UTC +6:30 hours

12:00 pm12:00 GMT / 6:30 pm18:30 MMT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
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Greenwich Mean Time

Offset: GMT is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the GMT time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

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 the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today all shaded areas are on GMT.

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 - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Myanmar Time

Offset: MMT is 6 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Myanmar

Principal Cities: The largest city in the MMT time zone is Yangon in Myanmar, with about 4.478 million people. Other major cities in this time zone include Mandalay, Nay Pyi Taw, Mawlamyine, Kalemyo.

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

MMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0630 - basic
  • +06:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0630 - sign character (+) followed by a four digit time providing hours (06) and minutes (30) of the offset. Indicates an offset of six hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +6:30 offset:
  • CCT - Cocos Islands Time
  • MMT - Myanmar Time