London to BST to UTC Time Converter
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Quick answers
Selected conversion
1:00 pm13:00 BST (UTC+1), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026 = 12:00 pm12:00 UTC (UTC+0), Oct 18, 2026
London and BST have the same local time. London is 1 hour ahead of UTC.
How the time difference changes
London to BST
For most of the year, London and BST have the same time. From Oct 25, 2026 to Mar 28, 2027, London and GMT have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 9:00 am to 6:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 9:00 am to 6:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 09:00 to 18:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 09:00 to 18:00 in GMT.
London to UTC
For most of the year, London is 1 hour ahead of UTC. From Oct 25, 2026 to Mar 28, 2027, London and UTC have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 8:00 am to 5:00 pm in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 9:00 am to 6:00 pm in UTC.For most of the year, working hours of 09:00 to 18:00 in London correspond to 08:00 to 17:00 in UTC. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 09:00 to 18:00 in UTC.
Compare London time with BST and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
BST (British Summer Time) and British Summer Time have the same local time. BST (British Summer Time) is 1 hour ahead of Coordinated Universal Time.
1:00 pm13:00 in London, United Kingdom is 1:00 pm13:00 in BST and is 12:00 pm12:00 in UTC
London to BST call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in London which corresponds to 9am-6pm09:00-18:00 in BST
London to UTC call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in London which corresponds to 9am-5pm09:00-17:00 in UTC
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
1:00 pm13:00 London, United Kingdom / 1:00 pm13:00 BST / 12:00 pm12:00 UTC
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.
| London, United Kingdom | BST | UTC |
|---|---|---|
| 12:00am | 11:00pm previous day | |
| 1:00am | 12:00am | |
| 2:00am | 1:00am | |
| 3:00am | 2:00am | |
| 4:00am | 3:00am | |
| 5:00am | 4:00am | |
| 6:00am | 5:00am | |
| 7:00am | 6:00am | |
| 8:00am | 7:00am | |
| 9:00am | 8:00am | |
| 10:00am | 9:00am | |
| 11:00am | 10:00am | |
| 12:00pm | 11:00am | |
| 1:00pm | 12:00pm | |
| 2:00pm | 1:00pm | |
| 3:00pm | 2:00pm | |
| 4:00pm | 3:00pm | |
| 5:00pm | 4:00pm | |
| 6:00pm | 5:00pm | |
| 7:00pm | 6:00pm | |
| 8:00pm | 7:00pm | |
| 9:00pm | 8:00pm | |
| 10:00pm | 9:00pm | |
| 11:00pm | 10:00pm | |
| 00:00 | 23:00 previous day | |
| 01:00 | 00:00 | |
| 02:00 | 01:00 | |
| 03:00 | 02:00 | |
| 04:00 | 03:00 | |
| 05:00 | 04:00 | |
| 06:00 | 05:00 | |
| 07:00 | 06:00 | |
| 08:00 | 07:00 | |
| 09:00 | 08:00 | |
| 10:00 | 09:00 | |
| 11:00 | 10:00 | |
| 12:00 | 11:00 | |
| 13:00 | 12:00 | |
| 14:00 | 13:00 | |
| 15:00 | 14:00 | |
| 16:00 | 15:00 | |
| 17:00 | 16:00 | |
| 18:00 | 17:00 | |
| 19:00 | 18:00 | |
| 20:00 | 19:00 | |
| 21:00 | 20:00 | |
| 22:00 | 21:00 | |
| 23:00 | 22:00 |
London Time Zone and Facts
Time Zone
GMT – Greenwich Mean Time, UTC+0 (standard time)
London Facts
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.
Current time in the United Kingdom: UK time now
Today all shaded areas are on BST.
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).
Start: 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.
End: 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 United Kingdom daylight saving time and upcoming clock changes worldwide.
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
Coordinated Universal Time
Offset: UTC is the same as Greenwich Mean Time (GMT).
Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara
Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.
Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.
Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- EGST - Eastern Greenland Summer Time
- GMT - Greenwich Mean Time
- WET - Western European Time
- AZOST - Azores Summer Time
- UTC - Coordinated Universal Time
- WT - Western Sahara Standard Time
- Z - Zulu Time Zone