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GMT/BST
12am
3am
6am
9am
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3pm
6pm
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The United Kingdom is on standard time: GMT (UTC+0) until Sun, Mar 28, 2027.
MHT
UTC+12
tomorrow (next day)
12h ahead
12am
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12pm
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Quick answers

Selected conversion

12:00 pm12:00 GMT (UTC+0), Nov 3, 2026 = 12:00 am00:00 MHT (UTC+12), Nov 4, 2026

GMT is 12 hours behind MHT.

BST and MHT examples

These examples always use BST (UTC+1) and MHT (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 11 hours behind MHT.

How the time difference changes

For most of the year, BST is 11 hours behind MHT. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, GMT is 12 hours behind MHT.

For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 8:00 pm to 5:00 am (next day) in MHT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 9:00 pm to 6:00 am (next day) in MHT.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 20:00 to 05:00 (next day) in MHT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 21:00 to 06:00 (next day) in MHT.

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

Time Difference

Greenwich Mean Time is 12 hours behind Marshall Islands Time.
12:00 pm12:00 in GMT is 12:00 am00:00 in MHT

GMT to MHT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in GMT which corresponds to 7pm-8pm19:00-20:00 in MHT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
12:00 am00:00 Marshall Islands Time (MHT). Offset UTC +12:00 hours

12:00 pm12:00 GMT / 12:00 am00:00 MHT

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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British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

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.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

Today the shaded areas are on UTC+0 (GMT).

BST 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 BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
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

Marshall Islands Time

Offset: MHT is 12 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Marshall Islands

Principal Cities: The largest city in the MHT time zone is Majuro in the Marshall Islands, with about 25,400 people. Other major cities in this time zone include Ebaye, Arno, Laura, Jabor.

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

MHT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for MHT
  • M - short form of 'Mike'
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETT - Kamchatka Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time