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BST to AKDT Converter

Updating current time…
BST
British Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AKDT
Alaska Daylight Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 BST (UTC+1), Oct 5, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 5, 2026

BST is 9 hours ahead of AKDT.

BST and AKDT examples

These examples always use BST (UTC+1) and AKDT (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BST is 9 hours ahead of AKDT.

How the time difference changes

For most of the year, BST is 9 hours ahead of AKDT. At other times of the year, GMT is 9 hours ahead of AKST or GMT is 8 hours ahead of AKDT.

For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 12:00 am to 8:00 am in AKDT. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 12:00 am to 8:00 am in AKST or working hours of 9:00 am to 5:00 pm in GMT correspond to 1:00 am to 9:00 am in AKDT.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 00:00 to 08:00 in AKDT. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 00:00 to 08:00 in AKST or working hours of 09:00 to 17:00 in GMT correspond to 01:00 to 09:00 in AKDT.

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

Time Difference

British Summer Time is 9 hours ahead of Alaska Daylight Time.
1:00 pm13:00 in BST is 4:00 am04:00 in AKDT

BST to AKDT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in BST which corresponds to 8am-9am08:00-09:00 in AKDT

1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours

1:00 pm13:00 BST / 4:00 am04:00 AKDT

BSTAKDT
12:00am3:00pm
1:00am4:00pm
2:00am5:00pm
3:00am6:00pm
4:00am7:00pm
5:00am8:00pm
6:00am9:00pm
7:00am10:00pm
8:00am11:00pm
9:00am12:00am
10:00am1:00am
11:00am2:00am
12:00pm3:00am
1:00pm4:00am
2:00pm5:00am
3:00pm6:00am
4:00pm7:00am
5:00pm8:00am
6:00pm9:00am
7:00pm10:00am
8:00pm11:00am
9:00pm12:00pm
10:00pm1:00pm
11:00pm2:00pm
00:0015:00
01:0016:00
02:0017:00
03:0018:00
04:0019:00
05:0020:00
06:0021:00
07:0022:00
08:0023:00
09:0000:00
10:0001:00
11:0002:00
12:0003:00
13:0004:00
14:0005:00
15:0006:00
16:0007:00
17:0008:00
18:0009:00
19:0010:00
20:0011:00
21:0012:00
22:0013:00
23:0014:00

British Summer Time

Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey

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

BST Time Zone Geo Map
BST timezone map

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

Daylight saving time clock moves forward for one hourStart: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

Daylight saving time clock moves back for one hourEnd: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See upcoming clock changes worldwide.

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

Alaska Daylight Time

Offset: AKDT is 8 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: United States

Principal Cities: The largest city in the AKDT time zone is Anchorage in the United States, with about 289,600 people. Other major cities in this time zone include Fairbanks, Juneau, Eagle River, Badger.

AKDT Time Zone Geo Map
AKDT timezone map

Daylight Saving: Alaska Daylight Time (AKDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Alaska Standard Time (AKST).

Daylight saving time clock moves forward for one hourStart: Alaska Daylight Time (AKDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Alaska Daylight Time (AKDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

AKDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for AKDT
  • U - short form of 'Uniform'
IANA/Olson: Reflects AKDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anchorage
  • America/Juneau
  • America/Metlakatla
  • America/Nome
  • America/Sitka
  • America/Yakutat
  • US/Alaska
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT