2025年3月30日 (日), 1時00分
| Country: | United Kingdom |
|---|---|
| Long Name: | United Kingdom of Great Britain and Northern Ireland |
| Abbreviations: | UK, GBR |
| Capital: | London |
| Time Zones: | 1 (Main Country) |
| Total Time Zones: | 9 (with dependencies) |
| Dial Code: | +44 |
5月21日 (日)
Forward 1 hour
1916年5月21日 (日) - Daylight Saving Time Started
When local standard time was about to reach
1916年5月21日日曜日, 2時00分00秒 clocks were turned forward 1 hour to
1916年5月21日日曜日, 3時00分00秒 local daylight time instead.
Sunrise and sunset were about 1 hour later on 1916年5月21日 (日) than the day before. There was more light in the evening and less light in the morning.
Also called Spring Forward, Summer Time, and Daylight Savings Time.
10月1日 (日)
Back 1 hour
1916年10月1日 (日) - Daylight Saving Time Ended
When local daylight time was about to reach
1916年10月1日日曜日, 3時00分00秒 clocks were turned backward 1 hour to
1916年10月1日日曜日, 2時00分00秒 local standard time instead.
Sunrise and sunset were about 1 hour earlier on 1916年10月1日 (日) than the day before. There was more light in the morning and less light in the evening.
Also called Fall Back and Winter Time.
When Does DST Start and End in the UK?
Daylight Saving Time (DST), or summer time, as it is known as in the UK, starts on the last Sunday in March and ends on the last Sunday in October.
Daylight Saving Time in Dependencies of United Kingdom
| Dependency | Type | Daylight Saving Time Period |
|---|---|---|
| Anguilla | Overseas territory | No Daylight Saving Time |
| Bermuda | Overseas territory | No Daylight Saving Time |
| British Indian Ocean Territory | Overseas territory | No Daylight Saving Time |
| British Virgin Islands | Overseas territory | No Daylight Saving Time |
| Cayman Islands | Overseas territory | No Daylight Saving Time |
| Falkland Islands | Overseas territory | No Daylight Saving Time |
| Gibraltar | Overseas territory | 5月21日 (日) – 10月1日 (日) (Same dates as United Kingdom) |
| Guernsey | Crown dependency | 5月21日 (日) – 10月1日 (日) (Same dates as United Kingdom) |
| Isle of Man | Crown dependency | 5月21日 (日) – 10月1日 (日) (Same dates as United Kingdom) |
| Jersey | Crown dependency | 5月21日 (日) – 10月1日 (日) (Same dates as United Kingdom) |
| Montserrat | Overseas territory | No Daylight Saving Time |
| Pitcairn Islands | Overseas territory | No Daylight Saving Time |
| Saint Helena | Overseas territory | No Daylight Saving Time |
| South Georgia/Sandwich Is. | Overseas territory | No Daylight Saving Time |
| Turks and Caicos Islands | Overseas territory | No Daylight Saving Time |
Daylight Saving Time History in United Kingdom
- United Kingdom first observed Daylight Saving Time in 1916.
- United Kingdom has observed DST for 110 years between 1916 and 2025.
- See Worldwide DST Statistics