Autumnal equinox, two moments in the year when the Sun is exactly above the Equator and day and night are of equal length; also, either of the two points in ...

The autumnal equinox occurs in September each year, and in the northern hemisphere the date marks the end of summer and beginning of autumn.

The equinox may be taken to mark the end of astronomical summer and the beginning of astronomical autumn (autumnal equinox) in the Northern Hemisphere, while ...

Sep 18, 2020 · Here in the Northern Hemisphere, it's the first day of astronomical fall. From now until the beginning of spring, nighttime hours will last ...

The fall equinox and the first day of autumn arrives on Sunday, September 22, 2024, at 08:44 A.M. EDT in the Northern Hemisphere. The equinox occurs at the same ...

Autumnal equinox or variations, may refer to: September equinox, the autumnal equinox in the Northern Hemisphere; March equinox, the autumnal equinox in the ...

The Equinox (Vernal & Autumnal). There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a " ...

The September equinox will fall at 12:44 UTC (7:44 a.m. CDT) on September 22, 2024. Note: The name equinox comes from the Latin aequus (equal) and nox (night).

The March and September equinoxes mark the beginning of the spring and autumn seasons on Earth, according to one definition. The equinox in September is the ...