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The practice of advancing clocks during warmer months so that darkness falls later each day according to the clock.
The mean solar time at the Royal Observatory in Greenwich, London.
An international standard covering the exchange of date- and time-related data.
A calendar year that contains an additional day (February 29th) to keep the calendar year synchronized with the astronomical year.
A time management method that uses a timer to break work into intervals, traditionally 25 minutes in length, separated by short breaks.
A region of the globe that observes a uniform standard time for legal, commercial, and social purposes.