vernal equinox Definition

spring equinox, march equinox, autumnal equinox, equinox, summer solstice, winter solstice, celestial equator, lunisolar calendar, lunar calendar, tishri, gregorian calendar, sidereal, lunar eclipse, samhain, perihelion, occultation, ecliptic, moonrise, aphelion, meteor shower, calendrical, celestial sphere, moon, lunar, pleiades, zodiacal light, zodiacal, annular eclipse, beltane, moonset, magha, solstices, equinoxes, candlemas, candlemas day, vernal, equinoctial point, perseids, perigee, kislev, intercalary, omer, cheshvan, shawwal, lupercalia, solstice, triduum, paschal, occulted, walpurgis night, rosh hashanah, rogation, pagans, gibbous, baisakh, cosmic time, capricornus, earthshine, daylight savings, shevat, asterism, eucharist, simchat torah, tropical year, sextile, cloudiest, theophany, sunspots, tempus fugit, solar year, tammuz, greenwich mean time, shavuot, sun, lunistice, lunar month, sabbaths, yahrzeit, equator, sunrise, rosh chodesh, mithraic, eastertide, hilal, christmastide, prime meridian, trine, phalguna, hanukah, ophiuchus, elul, zoroastrianism, magh, saturnian, liturgically, angelus, nowruz, lupercus, celestial, euphorbia pulcherrima,