spring equinox Definition

vernal equinox, march equinox, autumnal equinox, solstice, summer solstice, equinox, winter solstice, lunisolar calendar, lunar calendar, tishri, candlemas, samhain, lunar, celestial equator, gregorian calendar, kislev, moonrise, shawwal, calendrical, beltane, sidereal, lupercalia, lunar eclipse, magha, walpurgis night, nowruz, nisan, shavuot, passover, equinoxes, perihelion, perseids, aphelion, vernal, candlemas day, equinoctial point, cheshvan, triduum, omer, perigee, paschal, intercalary, shevat, rosh chodesh, simchat torah, hilal, sabbaths, rosh hashanah, pagans, occultation, meteor shower, rogation, cosmic time, ecliptic, capricornus, magh, moharram, earthshine, dormition, gibbous, phalguna, tammuz, moonset, annular eclipse, succoth, lunar year, sextile, celestial sphere, zodiacal, baisakh, lunar month, theophany, occulted, pleiades, phaethon, trine, asterism, sunrise, yahrzeit, christmastide, noruz, tropical year, julian calendar, galactic equator, lupercus, sukkoth, zoroastrianism, lunistice, reconsecration, umbral, mithraic, solar calendar, simchas torah, quarter day, henge, chanukkah, observance, quincentenary, hegira, celestial,