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EQUINOX. The name given to two periods of the year when the days and nights are equal; that is, when the space of time between the rising and setting of the sun is one half of a natural day. Dig. 43, 13, 1, 8. Vide Day.

References in periodicals archive ?
The autumn equinox marks the first day of the season of autumn.
25 PER MIN TAURUS APRIL 22 - MAY 21 It's been an emotional summer and as we head for autumn equinox, there's an air of relief for many.
LOAF AROUND AT THE END OF SUMMER The good news is that summer is not officially over until the autumn equinox on September 22 - so it makes perfect sense to take advantage of that fact and get out in the garden.
This usually happens around the Autumn Equinox in September and the Spring Equinox in March.
So if you're smart, my advice is DON'T throw open wide your window until the autumn equinox arrives.
Over time (due to the wobble of Earth's axis under the influence of the Sun's and Moon's gravity) the Sun in its autumn equinox reside now in the constellation of Virgo.
He said the eyes of the image are from the east-west line from Drogheda to Croagh Patrick - an alignment that also marks the Spring and Autumn Equinox sunrise and sunset.
Summary: Muscat: Oman will witness a phenomenon known as the autumn equinox -a unique event when .
The autumn equinox, meanwhile, signals cooler weather as winds from the northeast would pass across the country.
Washington, June 22 ( ANI ): While Northern Hemisphere is celebrating its first day of summer, the Mars rovers Curiosity and Opportunity in Red Planet's southern hemisphere are enjoying the end of the warm weather season, before the autumn equinox takes place on July 31, next year.
At the Spring and Autumn Equinox, the rays of the sun cast a shadow on the pyramid's northern staircase.