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Comprehensive
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DST abbreviation of "daylight saving time," standard time that has been advanced by one hour in a given time zone, usu. in the spring and lasting into the fall, in order to provide one more hour of daylight at the end of each day.
jet lag a feeling of being very tired or not well after traveling by airplane across different time zones.
Samoa Standard Time the standard time used in the time zone of the Pacific that includes Samoa, eleven hours behind Greenwich time.
standard time the time officially designated in any of the world's twenty-four time zones, which is based for the most part on that zone's distance from the Greenwich meridian.
time zone a region in which all the clocks are set to the same time. The earth is divided into twenty-four time zones. The time in each zone is one hour earlier than it is in the zone to its east.
zone see "time zone." [1/11 definitions]