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time-division
(Encyclopedia)time-division: see multiplexing. ...time zone
(Encyclopedia)time zone: see standard time.standard time
(Encyclopedia)standard time, civil time used within a given time zone. The earth is divided into 24 time zones, each of which is about 15° of longitude wide and corresponds to one hour of time. Within a zone all c...month
(Encyclopedia)month, in chronology, the conventional period of a lunation, i.e., passage of the moon through all its phases. It is usually computed at approximately 29 or 30 days. For the computation of the month a...mean solar time
(Encyclopedia)mean solar time: see solar time. ...apparent solar time
(Encyclopedia)apparent solar time: see solar time. ...local solar time
(Encyclopedia)local solar time: see solar time. ...daylight saving time
(Encyclopedia)daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...equal-time rule
(Encyclopedia)equal-time rule, a Federal Communications Commission rule that requires equal air time for all major candidates competing for political office. It was preceded by the fairness doctrine, abolished in 1...equation of time
(Encyclopedia)equation of time: see solar time. ...Browse by Subject
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