British Summer Time
E8401
British Summer Time is the daylight saving time observed in the United Kingdom, during which clocks are set one hour ahead of Greenwich Mean Time to extend evening daylight in the summer months.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| British Summer Time (in the United Kingdom context) | 1 |
| Western European Summer Time | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
daylight saving time
ⓘ
time standard ⓘ |
| alsoKnownAs | summer time in the United Kingdom ⓘ |
| appliesDuringMonths | late March to late October ⓘ |
| appliesDuringSeason | summer ⓘ |
| basedOnTimeZone | Greenwich Mean Time ⓘ |
| category |
Daylight saving time by country
ⓘ
Time in the United Kingdom ⓘ |
| clockChange |
clocks set back 1 hour at end
ⓘ
clocks set forward 1 hour at start ⓘ |
| coordinatedWith | European Union summer time rules (historically and currently aligned) ⓘ |
| country | United Kingdom ⓘ |
| effectOnLocalTime | shifts civil time one hour earlier relative to solar time ⓘ |
| endRule | last Sunday in October ⓘ |
| endTimeOfChange | 02:00 BST ⓘ |
| followedByTimeZone | Greenwich Mean Time ⓘ |
| followsTimeZone | Greenwich Mean Time ⓘ |
| governedBy |
Summer Time Act 1916
ⓘ
Summer Time Act 1916 ⓘ
surface form:
Summer Time Act 1925
British Summer Time Act 1972 ⓘ
surface form:
Summer Time Act 1972
subsequent statutory instruments of the UK Parliament ⓘ |
| introducedBy |
UK government
ⓘ
surface form:
United Kingdom government
|
| introducedInYear | 1916 ⓘ |
| legalTimeOf | United Kingdom ⓘ |
| namedAfter | British Summer Time Act 1972 ⓘ |
| observedBy |
Crown dependencies
ⓘ
United Kingdom ⓘ |
| offsetFromGMT | +1 hour ⓘ |
| offsetFromGreenwichMeanTime | +1 hour ⓘ |
| purpose |
extend evening daylight
ⓘ
reduce energy consumption ⓘ |
| relatedConcept |
Coordinated Universal Time
ⓘ
Greenwich Mean Time ⓘ daylight saving time in Europe ⓘ |
| shortName | BST ⓘ |
| startRule | last Sunday in March ⓘ |
| startTimeOfChange | 01:00 GMT ⓘ |
| timeNotation |
12-hour clock
ⓘ
24-hour clock ⓘ |
| timeZoneAbbreviation | BST ⓘ |
| typicalEndHourLocal | 01:00 UTC ⓘ |
| typicalStartHourLocal | 01:00 UTC ⓘ |
| usedInRegion |
Channel Islands (crown dependencies)
ⓘ
surface form:
Channel Islands
England ⓘ Isle of Man (crown dependency) ⓘ
surface form:
Isle of Man
Northern Ireland ⓘ Scotland ⓘ Wales ⓘ |
| UTCoffset | UTC+1 ⓘ |
Referenced by (269)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
George Best Belfast City Airport