cosmic time

Noun
  1. The time covered by the physical formation and development of the universe (synset 115141309)
    is a type of: time - the continuum of experience in which events pass from the future through the present to the past
    subtypes:
    • sidereal time - measured by the diurnal motion of stars
    • solstice - either of the two times of the year when the sun is at its greatest distance from the celestial equator
    • equinox - either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length

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