Definition of summer time noun from the Oxford Advanced Learner's Dictionary


summer time

BrE BrE//ˈsʌmə taɪm//
; NAmE NAmE//ˈsʌmər taɪm//
(British English) (North American English daylight saving time) [uncountable]
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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 evening