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English definition of “DST”

DST

noun [U]     US ( UK summer time)
abbreviation for daylight saving time: the time in summer, usually with clocks set one hour ahead of standard time in order to give more light in the evening: DST is credited not only with saving energy but decreasing crime, accidents, and fatalities. → Compare BST
(Definition of DST noun from the Cambridge Business English Dictionary © Cambridge University Press)
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