Equinox
Of cosmic time.
Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length.
This concept's ID is @1~77189
Contains
- vernal equinox
March 21.
- autumnal equinox
September 22.
Of cosmic time.
Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length.
This concept's ID is @1~77189
March 21.
September 22.