Noun
The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.
Equinoctial wind or storm.
Source: Webster's dictionaryAlso on the day of an equinox, the Sun rises everywhere on Earth (except at the poles) at about 06:00 and sets at about 18:00 (local solar time). Source: Internet
Although the instant of the full moon must occur after the instant of the vernal equinox, it may occur on the same day. Source: Internet
Approaching the 7 December 2007 equinox Miranda produced brief solar eclipses over the center of Uranus. Source: Internet
As the female regent Mae/May was seen as the principal head of the famous festival held by the adult females after the Spring equinox, today's 'Easter'. Source: Internet
Although the equinox and the Invocation of Horus often fall on the same day, they are often treated as two different events. Source: Internet
Anicetus followed the western practice of celebrating the feast on the first Sunday after the first full moon after the Spring equinox (March 21). Source: Internet