When Is The Equilux 2024

When Is The Equilux 2024. While meteorologists like to call fall at the beginning of september, astronomical autumn starts later, on the autumnal equinox. The equilux is when day and night are equal and occurs a few days before the spring equinox, and a few days after the autumn equinox.

In autumn the equilux falls after the equinox which this year is on 23 september at 08:50 bst. The sun will be exactly above earth’s equator, moving from north.