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The traditional British and Irish main rent and meeting days of the year, "the usual quarter days," were often those of the solstices and equinoxes. Many cultures celebrate various combinations of the winter and summer solstices, the equinoxes, and the midpoints between them, leading to various holidays arising around these events.
Systematically observing the sunrise, people discovered that it occurs between two extreme locations at the horizon and eventually noted the midpoint between the two. Later it was realized that this happens on a day when the duration of the day and the night are practically equal and the word "equinox" comes from Latin aequus, meaning "equal", and nox, meaning "night".
The fall equinox, also known as the autumnal equinox, is when astronomical fall arrives. This year, it will occur at 8:44 a.m. EDT on Sept. 22, according to the Naval Observatory.
A solstice is different from an equinox. Solstices define the longest and shortest days of the year, ... Britannica: “Understand the difference between solstices and equinoxes ...
After that, the days will become shorter until the winter solstice on Dec. 21 or 22, when there’s the least daylight of the year. Upcoming dates for full moons in 2024, (times in EDT), according ...
The diagram uses neopagan labeling; Litha is the summer solstice, Yule is the winter solstice, Ostara is the vernal equinox, and Mabon is the autumnal equinox. Earth's seasonal lag is largely caused by the presence of large amounts of water, which has a high latent heat of freezing and of condensation. [1]
The first day of each month is shown in black, and the solstices and equinoxes are shown in green. It can be seen that the equinoxes occur approximately at altitude φ = 90° − 51.5° = 38.5°, and the solstices occur approximately at altitudes φ ± ε where ε is the axial tilt of the Earth, 23.4°.
Because of time zone differences, Europe, Africa and Asia will technically mark their winter solstice on Friday, December 22. Below are some examples of when 3:27 UTC will be for various local ...