Home   Time Zones   Time Change Dates   Time Change 1917 in the United Kingdom
Flag for United Kingdom

Time Change 1917 in the United Kingdom

Next change:
3月
30
1 hour Forward

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

4月8日 (日)

Forward 1 hour

1917年4月8日 (日) - Daylight Saving Time Started

When local standard time was about to reach
1917年4月8日日曜日, 2時00分00秒 clocks were turned forward 1 hour to
1917年4月8日日曜日, 3時00分00秒 local daylight time instead.

Sunrise and sunset were about 1 hour later on 1917年4月8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.

9月17日 (月)

Back 1 hour

1917年9月17日 (月) - Daylight Saving Time Ended

When local daylight time was about to reach
1917年9月17日月曜日, 3時00分00秒 clocks were turned backward 1 hour to
1917年9月17日月曜日, 2時00分00秒 local standard time instead.

Sunrise and sunset were about 1 hour earlier on 1917年9月17日 (月) than the day before. There was more light in the morning and less light in the evening.

Also called Fall Back and Winter Time.

Other years: 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 2025

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

DependencyTypeDaylight Saving Time Period
AnguillaOverseas territoryNo Daylight Saving Time
BermudaOverseas territory4月6日 (金) – 9月30日 (日) (Different dates than United Kingdom)
British Indian Ocean TerritoryOverseas territoryNo Daylight Saving Time
British Virgin IslandsOverseas territoryNo Daylight Saving Time
Cayman IslandsOverseas territoryNo Daylight Saving Time
Falkland IslandsOverseas territoryNo Daylight Saving Time
GibraltarOverseas territory4月8日 (日) – 9月17日 (月) (Same dates as United Kingdom)
GuernseyCrown dependency4月8日 (日) – 9月17日 (月) (Same dates as United Kingdom)
Isle of ManCrown dependency4月8日 (日) – 9月17日 (月) (Same dates as United Kingdom)
JerseyCrown dependency4月8日 (日) – 9月17日 (月) (Same dates as United Kingdom)
MontserratOverseas territoryNo Daylight Saving Time
Pitcairn IslandsOverseas territoryNo Daylight Saving Time
Saint HelenaOverseas territoryNo Daylight Saving Time
South Georgia/Sandwich Is.Overseas territoryNo Daylight Saving Time
Turks and Caicos IslandsOverseas territoryNo Daylight Saving Time

Daylight Saving Time History in United Kingdom