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1. www.inverse.com › science › fall-equinox-2021-exact-timeFall equinox 2021: Exact time, start of autumn, and more for ...

   www.inverse.com › science › fall-equinox-2021-exact-time

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   Feb 20, 2024 · The 2021 fall equinox will take place on Wednesday, September 22, 2021 at 3:21 p.m. Eastern. During that time, the Sun will be exactly above the Earth’s equator and will appear overhead at noon ...

   • Author: Passant Rabie

2. inews.co.uk › news › autumn-equinox-2021-when-dateWhen is the autumn equinox 2021? Date of September equinox ...

   inews.co.uk › news › autumn-equinox-2021-when-date

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   Sep 22, 2021 · The actual date when the timings are equal is referred to as the equilux, and falls a few days before the spring equinox and a few days after the autumn equinox.

3. www.standard.co.uk › news › ukAutumn Equinox 2021: What and when is it? | The Standard

   www.standard.co.uk › news › uk

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   Sep 21, 2021 · The northern hemisphere welcomes autumn during the September equinox. This year, the autumn equinox takes place on September 22 at 8.21pm BST. The event happens twice each year, with the spring ...

   • Author: Laura Sharman

4. www.rmg.co.uk › topics › what-when-autumnal-equinoxWhat is the autumnal equinox? - Royal Museums Greenwich

   www.rmg.co.uk › topics › what-when-autumnal-equinox

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   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 Earth is tilted on its axis. This means that the Sun illuminates the northern or southern hemisphere more depending on where the Earth is along its orbit. However, at two points in the year the Sun ...

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5. www.walesonline.co.uk › news › uk-newsWhen is the autumn equinox and how is the end of summer ...

   www.walesonline.co.uk › news › uk-news

   Sep 20, 2021 · This year, the autumn equinox will take place on Wednesday, September 22. The exact time of the equinox is 8.21pm BST (7.21pm Universal Coordinated Time). The days will then gradually get shorter ...

6. www.cambridge-news.co.uk › whats-on › whats-on-newsAutumn Equinox: Exact date of the Autumn equinox 2021 and how ...

   www.cambridge-news.co.uk › whats-on › whats-on-news

   Sep 21, 2021 · In 2021 the autumnal equinox falls on September 22 at 8.21pm. As the Earth orbits the Sun, the tilt on its axis means that the sun's rays fall more on the northern or the southern hemisphere ...

7. People also ask

   When is the autumnal equinox 2021?

   • In 2021 the autumnal equinox falls on September 22 at 8.21pm. As the Earth orbits the Sun, the tilt on its axis means that the sun's rays fall more on the northern or the southern hemisphere - depends on where it is along its orbit. But two times a year, the two will become even, and day and night will last almost the same time.

   The exact date of the Autumn equinox 2021 and how it's celebrated

   www.cambridge-news.co.uk/whats-on/whats-on-news/autumn-equinox-exact-date-autumn-21624679

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   Why is it called Equinox 2021?

   • At two points in the year, the sun will brighten up both hemispheres equally and these are known as the equinoxes. The name comes from the Latin aequus, meaning equal, and nox, meaning night. When is the autumn equinox 2021? The northern hemisphere welcomes autumn during the September equinox.

   Autumn Equinox 2021: What and when is it? | Evening Standard

   www.standard.co.uk/news/uk/autumn-equinox-2021-what-and-when-is-it-b956580.html

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   When is the autumn equinox?

   • The northern hemisphere welcomes autumn during the September equinox. This year, the autumn equinox takes place on September 22 at 8.21pm BST. The event happens twice each year, with the spring equinox in March. It falls at a slightly different time every year and its position is dictated by the Earth’s orbit.

   Autumn Equinox 2021: What and when is it? | Evening Standard

   www.standard.co.uk/news/uk/autumn-equinox-2021-what-and-when-is-it-b956580.html

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   When is the next Equinox?

   • The next equinox, the Spring Equinox, will be on March 20, marking the changing of the seasons once more from shorter winter days to longer summer days in the Northern Hemisphere and vice versa. This article was originally published on Sep. 19, 2021

   Fall equinox 2021: Exact time, start of autumn, and more for the

   www.inverse.com/science/fall-equinox-2021-exact-time

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   When is the autumn equinox 2024?

   • In 2024 the autumnal equinox will occur on 22 September at 12.44pm GMT (1.44pm BST). Find out more about equinoxes and solstices When is autumn? There are three main different ways of defining autumn: astronomical, meteorological and phenological. Astronomically, the four seasons centre around the equinoxes and solstices.

   What is the autumnal equinox? - Royal Museums Greenwich

   www.rmg.co.uk/stories/topics/what-when-autumnal-equinox

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   When does the equinox fall?

   • Equinoxes happen twice a year, with the spring equinox generally falling around the 20 March , as was the case this year. What is the autumn equinox? The astronomical event marks the moment the Earth’s equator passes directly through the centre of the sun’s path, lining up in unison as the world gradually turns.

   When is the autumn equinox 2021? Date of September equinox, meaning

   inews.co.uk/news/autumn-equinox-2021-when-date-september-uk-meaning-first-day-fall-season-explained-1210509

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8. greenwichmeantime.com › equinoxGMT - home - World Time & Converters

   greenwichmeantime.com › equinox

   Mar 19, 2024 · In the yearly cycle, the next important date after the Equinox is the solstice. There are two equinoxes and two solstices each year. There are two equinoxes and two solstices each year. Check the dates for the 2021-2030 decade and the preceding ones, 2010-2020 , 2000-2009 , and 1992-1999 .