W to BST Converter
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2:00 am02:00 W (UTC-10), Nov 15, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 15, 2026
W is 10 hours behind GMT.
W and BST examples
These examples always use W (UTC-10) 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.
W is 11 hours behind BST.
How the time difference changes
For most of the year, W is 11 hours behind BST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, W is 10 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in W correspond to 8:00 pm to 5:00 am (next day) in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in W correspond to 7:00 pm to 4:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 18:00 in W correspond to 20:00 to 05:00 (next day) in BST. At other times of the year, working hours of 09:00 to 18:00 in W correspond to 19:00 to 04:00 (next day) in GMT.
Compare W time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Whiskey Time Zone is 10 hours behind Greenwich Mean Time.
2:00 am02:00 in W is 12:00 pm12:00 in GMT
W to GMT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in W which corresponds to 6pm-7pm18:00-19:00 in GMT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
2:00 am02:00 Whiskey Time Zone (W). Offset UTC -10:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 am02:00 W / 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.
| W | GMT |
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Whiskey Time Zone
Offset: W is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Cook Islands, French Polynesia, United States
Principal Cities: The largest city in the W time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Some places on Whiskey Time Zone (W) keep the same time all year, while others use W for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today all shaded areas are on W.
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
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
Today the shaded areas are on UTC+0 (GMT).
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