There are currently 3 astronomical definitions for the tag 'time'.
time
universaltime, civiltime, dynamicaltime, ephemeristime, meansolartime, siderealtime
besselianepoch, earthorbit, earthrotation, gregoriancalendar, juliandate, julianepoch, astrometricinstrument, atomicclock, calendar, chronometer, clock, ephemeris, epoch, generaltheoryofrelativity, timemeasurement, transitinstrument, transittime, year
Time