Autumn is rapidly approaching. The Autumn equinox falls on 23 September, when night and day are pretty much exactly the same length – 12 hours – all over the world; equinox means "equal night ...

On March 20, 2025, the vernal equinox will signal the coming of spring for the Northern Hemisphere. Then, in September, nature will once again bring us the autumnal equinox, the time of year that ...