daylight saving time
noun/ˌdeɪlaɪt ˈseɪvɪŋ taɪm/
/ˌdeɪlaɪt ˈseɪvɪŋ taɪm/
(abbreviation DST)
(also daylight time)
(both North American English) (British English summer time)
[uncountable]- the period during which in some countries the clocks are put forward one hour, so that it is light for an extra hour in the eveningTopics Timec2
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
daylight saving time