Equinox

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Related to March equinox: September equinox, June solstice

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 requirement regarding the March equinox was to make certain that Passover occurs in the Spring.
During the March equinox (also known as vernal equinox in reference to spring) and the September equinox (autumnal equinox) the length of nigh and day become equal.
As discussed above, 30 years correspond to a full cycle of seasons on the planet, and Saturn was observed from shortly after the 1980 March equinox until shortly after the 2009 March equinox.
The Sun crosses the celestial equator (0[degrees] declination) moving northwards at the March equinox, reaches its maximum northerly position over the Tropic of Cancer (23.
A celebration of the March equinox which is sacred to Norse Goddess Iduna, bearer of the magic apples of life
The March equinox (around the 20th) is considered the start of autumn in the southern hemisphere while the September equinox (around the 22nd) marks the start of spring.
The word Bihu is derived from "Visuvan" that describes a number of festivals in India that are associated with the March Equinox.