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  1. Equal Light “Equilux” is drawn from the Latin terms for equal (equi) and light (lux). So how do we find out which dates fit the description and qualify as truly equal day and night? To measure the day/night split in a 24-hour span, astronomers use common definitions of sunrise and sunset.

  2. The Crossword Solver found 30 answers to "time when day and night are of equal length", 7 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles. Enter the length or pattern for better results. Click the answer to find similar crossword clues . A clue is required.

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  4. Sep 22, 2023 · The trouble’s right in the name: “equinox” means “equal night”, implying that day and night are each 12 hours long. But it turns out they’re only mostly equal because of a couple of ...

  5. Summer solstice (June 20 or 21): longest day of the year, marking the start of summer. Autumnal equinox (about September 23): day and night of equal length, marking the start of autumn. Winter solstice (December 21 or 22): shortest day of the year, marking the start of winter. How the Sun relates to the seasons.

    • Alison Eldridge
  6. en.wikipedia.org › wiki › EquinoxEquinox - Wikipedia

    On the date of the equinox, the center of the Sun spends a roughly equal amount of time above and below the horizon at every location on the Earth, so night and day are about the same length. Sunrise and sunset can be defined in several ways, but a widespread definition is the time that the top limb of the Sun is level with the horizon. [26]

  7. Mar 18, 2021 · There are days around the time of the equinox, where day and night are equal length. These are called equilux, and when they happens depends on latitude. In the UK in 2021, this happened on 17 March.

  8. Mar 19, 2024 · Here’s a new word for you: equilux. The word is used to describe the day on which day and night are equal. The equilux happens a few to several days after the autumn equinox, and a few to ...

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