Starwatch: Autumnal equinox in northern hemisphere, spring in the south

Precise moment of equinox in UK is 1.05am on Wednesday – but day and night will not be equal until Friday The September or autumnal equinox takes place this week. It marks the astronomical beginning of autumn in the northern hemisphere and spring in the southern hemisphere. This year, the precise moment of the equinox falls at 01.05 BST on 23 September. It is commonly said the equinox is when day…

theguardian.com ·4h ago

Starwatch: Autumnal equinox in northern hemisphere, spring in the south

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