standard time

3 ENTRIES FOUND:

standard time

noun

Definition of STANDARD TIME

: the time of a region or country that is established by law or general usage as civil time; specifically : the mean solar time of a meridian that is a multiple of 15 arbitrarily applied to a local area or to one of the 24 time zones and designated as a number of hours earlier or later than Greenwich time

First Known Use of STANDARD TIME

1879

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