cosmic time

/ˌkɑzmɪk taɪm/

Other forms: cosmic times

Definitions of cosmic time

1. noun

   the time covered by the physical formation and development of the universe
   types:

   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

   day, sidereal day

   the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day

   sidereal year

   the time for the earth to make one complete revolution around the sun, relative to the fixed stars

   sidereal hour

   1/24 of a sidereal day

   sidereal month

   period between successive conjunctions with a star, 27.322 days

   June 21, midsummer, summer solstice

   June 21, when the sun is at its northernmost point

   winter solstice

   December 22, when the sun is at its southernmost point

   March equinox

   a time when the Sun's path crosses northward over the equator, marking the start of spring in the northern hemisphere and of fall in the southern hemisphere

   autumnal equinox, fall equinox

   September 22

   type of:

   time

   the continuum of experience in which events pass from the future through the present to the past