The autumnal equinox is the halfway point between our longest and shortest days of the year — a time when Earth and the sun seem to stand in geometrical balance.

Sept. 22, day and night will be nearly equal in length as Earth spins side-on to the sun and autumn officially begins in the ...

Day and night aren't exactly 12 hours long on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical illusion that brings more daylight than there really is.

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence this year happens on Sunday. By Katrina Miller This Sunday, the autumnal ...

Meteorologists predict that Earth could be blasted by a geomagnetic storm on Wednesday due to its timing with the autumnal equinox. NASA The sun emitted a strong solar flare on Sept. 12, 2024.

Find out the science behind the autumnal equinox and how it has been celebrated through the ages. 1:11. What is an Equinox? ... 2020—the day when the sun passes directly over Earth’s Equator.

The autumn equinox arrives at 10:21 a.m. ET (2:20 p.m. UTC) on September 22, ... This tidy split in our 24-hour day is linked to the reason Earth has seasons in the first place.

The 2022 autumnal equinox for the Northern Hemisphere is on September 22 at 9:04 pm EDT. At this time, unlike during the solstices, Earth is tilted neither toward nor away from the sun.

Our long, hot summer is finally coming to an end on with the autumnal equinox, ... Earth has seasons because of its tilted axis, which is at 23.5 degrees to its orbit.

What does equinox mean? But after the autumnal equinox, the northern hemisphere of the Earth begins to tilt away from the sun, so nights will get longer and days will grow shorter until the winter ...

The beginning of fall over the weekend was a welcome sign for many, with the promise of cooler temperatures on the way. However, the autumnal equinox—which occurred on Sunday—can also spell ...

However, every once in a while, the autumn equinox can occur on Sept. 21 or 24. This happens because the length of a calendar year (365 days) is not equal to the time it takes for Earth to travel ...