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
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daylight saving time