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English definition of “daylight saving time”

daylight saving time

noun [U]  /ˈdeɪˌlɑɪt ˈseɪ·vɪŋ ˌtɑɪm/ us  
the time set usually one hour later in summer so that there is a longer period of light in the evening
(Definition of daylight saving time from the Cambridge Academic Content Dictionary © Cambridge University Press)
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