TST Tst to BST Converter
Time Difference
Tonga Standard Time is 12 hours ahead of British Summer Time
2:30 pm14:30 in TST is 2:30 am02:30 in BST
TST to BST call time
Best time for a conference call or a meeting is between 7pm-9pm in TST which corresponds to 7am-9am in BST
2:30 pm14:30 Tonga Standard Time (TST). Offset UTC +13:00 hours
2:30 am02:30 British Summer Time (BST). Offset UTC +1:00 hour
2:30 pm14:30 TST / 2:30 am02:30 BST
TST | BST |
---|---|
12am (midnight) | 12pm (noon) |
1am | 1pm |
2am | 2pm |
3am | 3pm |
4am | 4pm |
5am | 5pm |
6am | 6pm |
7am | 7pm |
8am | 8pm |
9am | 9pm |
10am | 10pm |
11am | 11pm |
12pm (noon) | 12am (midnight) |
1pm | 1am |
2pm | 2am |
3pm | 3am |
4pm | 4am |
5pm | 5am |
6pm | 6am |
7pm | 7am |
8pm | 8am |
9pm | 9am |
10pm | 10am |
11pm | 11am |
0:00 | 12:00 |
1:00 | 13:00 |
2:00 | 14:00 |
3:00 | 15:00 |
4:00 | 16:00 |
5:00 | 17:00 |
6:00 | 18:00 |
7:00 | 19:00 |
8:00 | 20:00 |
9:00 | 21:00 |
10:00 | 22:00 |
11:00 | 23:00 |
12:00 | 0:00 |
13:00 | 1:00 |
14:00 | 2:00 |
15:00 | 3:00 |
16:00 | 4:00 |
17:00 | 5:00 |
18:00 | 6:00 |
19:00 | 7:00 |
20:00 | 8:00 |
21:00 | 9:00 |
22:00 | 10:00 |
23:00 | 11:00 |
Tonga Standard Time
Offset: TST is 13 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
TST representations, usage and related time zones
- +13 - basic short
- +1300 - basic
- +13:00 - extended
- +1300 - sign character (+) followed by a four digit time providing hours (13) and minutes (00) of the offset. Indicates thirteen hour and zero minutes time differences to the east of the zero meridian.
- Turkmenistan Standard Time - UTC +5
- Tonga Standard Time - UTC +13
- FJST - Fiji Summer Time
- NZDT - New Zealand Daylight Time
- PHOT - Phoenix Island Time
- TKT - Tokelau Time
- TOT - Tonga Time
- WST - West Samoa Time
- WSST - West Samoa Standard Time
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 26, 2023 at 1:00 am local time and clocks were set one hour forward to Sunday, March 26, 2023, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 29, 2023 at 2:00 am local time and clocks are set one hour back to Sunday, October 29, 2023, 1:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- Brasilia Standard Time - UTC -3
- 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