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time

(Encyclopedia) time, sequential arrangement of all events, or the interval between two events in such a sequence. The concept of time may be discussed on several different levels: physical, psychological, phi...

time

(Encyclopedia) time, in music: see tempo ; meter ; rhythm ; syncopation ; metronome and musical notation . ...

Aztec Ruins National Monument

(Encyclopedia) Aztec Ruins National Monument, 318 acres (129 hectares), NW N.Mex., near Farmington; est. 1923. Ruins of a 12th-century Pueblo town contain interesting kivas , one of which has bee...

Harvest Time

Harvest TimeFor a year Jo and her Professor worked and waited, hoped and loved, met occasionally, and wrote such voluminous letters that the rise in the price of paper was accounted for, Lauri…

time zone

(Encyclopedia) time zone: see standard time .

solar time

(Encyclopedia) solar time, time defined by the position of the sun. The solar day is the time it takes for the sun to return to the same meridian in the sky. Local solar time is measured by a ...

civil time

(Encyclopedia) civil time, local time based on universal time . Civil time may be formally defined as mean solar time plus 12 hr; the civil day begins at midnight, while the mean solar day...

ephemeris time

(Encyclopedia) ephemeris time (ET), astronomical time defined by the orbital motions of the earth, moon, and planets. The earth does not rotate with uniform speed, so the solar day is an imprecise unit...

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. Withi...