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EAT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT/BST
UTC+0
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
The United Kingdom is on standard time: GMT (UTC+0) until Sun, Mar 28, 2027.

Quick answers

Selected conversion

3:00 pm15:00 EAT (UTC+3), Oct 30, 2026 = 12:00 pm12:00 GMT (UTC+0), Oct 30, 2026

EAT is 3 hours ahead of GMT.

EAT and BST examples

These examples always use EAT (UTC+3) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

EAT is 2 hours ahead of BST.

How the time difference changes

For most of the year, EAT is 2 hours ahead of BST. From Oct 25, 2026 to Mar 28, 2027, EAT is 3 hours ahead of GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in EAT correspond to 7:00 am to 4:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in EAT correspond to 6:00 am to 3:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in EAT correspond to 07:00 to 16:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in EAT correspond to 06:00 to 15:00 in GMT.

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

Time Difference

Eastern Africa Time is 3 hours ahead of Greenwich Mean Time.
3:00 pm15:00 in EAT is 12:00 pm12:00 in GMT

EAT to GMT call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EAT which corresponds to 9am-3pm09:00-15:00 in GMT

3:00 pm15:00 Eastern Africa Time (EAT). Offset UTC +3:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours

3:00 pm15:00 EAT / 12:00 pm12:00 GMT

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
EATGMT
9:00pm previous day
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21:00 previous day
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Eastern Africa Time

Offset: EAT is 3 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Comoros, Djibouti, Eritrea, Ethiopia, Kenya, Madagascar, Mayotte, Somalia, Tanzania, Uganda

Principal Cities: The largest city in the EAT time zone is Dar es Salaam in Tanzania, with about 5.384 million people. Other major cities in this time zone include Nairobi, Addis Ababa, Mogadishu, Kampala.

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

EAT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +03 - basic short
  • +0300 - basic
  • +03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0300 - sign character (+) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Charlie - Military abbreviation for EAT
  • C - short form of 'Charlie'
IANA/Olson: Reflects EAT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Addis_Ababa
  • Africa/Asmara
  • Africa/Asmera
  • Africa/Dar_es_Salaam
  • Africa/Djibouti
  • Africa/Kampala
  • Africa/Mogadishu
  • Africa/Nairobi
  • Indian/Antananarivo
  • Indian/Comoro
  • Indian/Mayotte
Time zones with the GMT +3 offset:
  • EEST - Eastern European Summer Time
  • MSK - Moscow Standard Time
  • AST - Arabia Standard Time
  • C - Charlie Time Zone
  • EAT - Eastern Africa Time
  • FET - Further Eastern European Time
  • IDT - Israel Daylight Time
  • TRT - Turkey Time

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