daylight saving time
夏令時
日常·討論時間調整
英文釋義
the practice of setting the clock ahead by one hour during the warmer months of the year to extend evening daylight
例句
Don't forget to set your clock forward an hour for daylight saving time tonight.
典故來源
由本杰明·富蘭克林在1784年提出,旨在利用夏季更長的日照時間節約能源,20世紀初開始被廣泛采用。