Equinox

Science / Weather / Equinox: The point at which the ecliptic intersects the celestial equator. Days and nights are most nearly equal in duration. In the Northern Hemisphere, the vernal equinox falls on or about March 20 and the autumnal equinox on or about September 22.

Equinoxes

Science / Tides and Currents / Equinoxes: The two points in the celestial sphere where the celestial equator intersects the ecliptic; also, the times when the Sun crosses the equator at these points. The vernal equinox is the point where the MORE

Precession Of The Equinoxes

Science / Astrology / Precession Of The Equinoxes: The gradual westward shift (about 50' each year) of the equinoctial points along the ecliptic due to the ecliptic due to the rotational movement of the poles of Earth's axis. This phenomena creates an MORE

Vernal Equinox

Science / Weather / Vernal Equinox: Taking place in the Northern Hemispheric spring, it is the point at which the ecliptic intersects the celestial equator. Days and nights are most nearly equal in duration. It falls on or about March 2 MORE

Autumn Equinox

Life Style / Holiday / Autumn Equinox: The Autumn equinox and the spring equinox are the two days in the year when the hours of daylight and darkness are exactly equal. Celebrated on September 22 or 23. MORE

Spring Equinox

Life Style / Holiday / Spring Equinox: Buddhists throughout Southeast Asia celebrate the new solar year at the same time as Baisakhi. The Thai New Year celebration, Songkran is a three-day-long religious holiday. Celebrated around April 13 MORE

Spring

Science / Weather / Spring: The season of the year which occurs as the sun approaches the summer solstice, and characterized by increasing temperatures in the mid-latitudes. Customarily, this refers to the months of March, April MORE

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