BST to W Converter
BST is not used on this date
This converter uses GMT (GMT +0), the offset London uses on this date. Open the GMT converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
BST and W examples
These examples always use BST (UTC+1) and W (UTC-10). 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 ahead of W.
How the time difference changes
For most of the year, BST is 11 hours ahead of W. At other times of the year, GMT is 10 hours ahead of W.
For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 10:00 pm (previous day) to 6:00 am in W. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 11:00 pm (previous day) to 7:00 am in W.
Compare BST time with W time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Greenwich Mean Time is 10 hours ahead of Whiskey Time Zone
12:00 pm12:00 in GMT is 2:00 am02:00 in W
GMT to W call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in GMT which corresponds to 7:30am-8:30am in W
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 am02:00 Whiskey Time Zone (W). Offset UTC -10:00 hours
12:00 pm12:00 GMT / 2:00 am02:00 W
| GMT | W |
|---|---|
| 12am (midnight) | 2pm |
| 1am | 3pm |
| 2am | 4pm |
| 3am | 5pm |
| 4am | 6pm |
| 5am | 7pm |
| 6am | 8pm |
| 7am | 9pm |
| 8am | 10pm |
| 9am | 11pm |
| 10am | 12am (midnight) |
| 11am | 1am |
| 12pm (noon) | 2am |
| 1pm | 3am |
| 2pm | 4am |
| 3pm | 5am |
| 4pm | 6am |
| 5pm | 7am |
| 6pm | 8am |
| 7pm | 9am |
| 8pm | 10am |
| 9pm | 11am |
| 10pm | 12pm (noon) |
| 11pm | 1pm |
| 00:00 | 14:00 |
| 01:00 | 15:00 |
| 02:00 | 16:00 |
| 03:00 | 17:00 |
| 04:00 | 18:00 |
| 05:00 | 19:00 |
| 06:00 | 20:00 |
| 07:00 | 21:00 |
| 08:00 | 22:00 |
| 09:00 | 23:00 |
| 10:00 | 00:00 |
| 11:00 | 01:00 |
| 12:00 | 02:00 |
| 13:00 | 03:00 |
| 14:00 | 04:00 |
| 15:00 | 05:00 |
| 16:00 | 06:00 |
| 17:00 | 07:00 |
| 18:00 | 08:00 |
| 19:00 | 09:00 |
| 20:00 | 10:00 |
| 21:00 | 11:00 |
| 22:00 | 12:00 |
| 23:00 | 13:00 |
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.
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 for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

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 an offset of one hour 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
- 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
Whiskey Time Zone
Offset: W is 10 hours behind Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Whiskey Time Zone (W) do not change for daylight saving time, so W stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
W representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for W
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
