Definition that contains vernal equinox
- winter the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox
- ram the first sign of the zodiac which the sun enters at the vernal equinox; the sun is in this sign from about March 21 to April 19
- easter a Christian celebration of the Resurrection of Christ; celebrated on the Sunday following the first full moon after the vernal equinox
- ra (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
- aries the first sign of the zodiac which the sun enters at the vernal equinox; the sun is in this sign from about March 21 to April 19
- wintertime the coldest season of the year; in the northern hemisphere it extends from the winter solstice to the vernal equinox
- equinoctial year the time for the earth to make one revolution around the sun, measured between two vernal equinoxes
- celestial longitude (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
- noruz (Persian) the new year holiday in Iran and Azerbaijan and Afghanistan and Pakistan and parts of India and among the Kurds; comes at the vernal equinox
- right ascension (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere