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The official first day of fall is officially Saturday, September 23, 2023. But again, this is only for the Northern Hemisphere, since the Southern Hemisphere experiences the reverse, and this ...
Autumn, also known as fall, [1] is one of the four temperate seasons on Earth. Outside the tropics, autumn marks the transition from summer to winter, in September (Northern Hemisphere) or March (Southern Hemisphere). Autumn is the season when the duration of daylight becomes noticeably shorter and the temperature cools considerably.
The September equinox (or southward equinox) is the moment when the Sun appears to cross the celestial equator, heading southward. Because of differences between the calendar year and the tropical year, the September equinox may occur from September 21 to 24. At the equinox, the Sun as viewed from the equator rises due east and sets due west ...
In 2024, the autumnal equinox falls on Sunday, Sept. 22 at 8:43 a.m. EDT, the earliest start to astronomical fall since 1796, when it occurred on Sept. 22 at 3:27 a.m. LMT.
September is the ninth month of the year in the Julian and Gregorian calendars. Its length is 30 days. September, from the Très Riches Heures du Duc de Berry. September in the Northern Hemisphere and March in the Southern Hemisphere are seasonally equivalent. In the Northern hemisphere, the beginning of the meteorological autumn is on 1 September.
Fall equinox 2024 arrives on Sunday, September 22. Find out why the first day of autumn still features a little more daylight than darkness.
In 2022, the first day of fall is on Thursday, September 22. ... Does fall start on the same day every year? The first day of fall can change, but the window of possible dates is quite small. Most ...
In the northern hemisphere, the vernal equinox (March) conventionally marks the beginning of spring in most cultures and is considered the start of the New Year in the Assyrian calendar, Hindu, and the Persian or Iranian calendars, [b] while the autumnal equinox (September) marks the beginning of autumn. [13]