Autumn Equinox 2024 Observances In India. It also lists astronomical sunrise and sunset timings on autumnal equinox day. As with other astronomical events, the autumnal equinox serves as a unique cultural and spiritual marker, reinforcing the bond between.

And when do the clocks go back? The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd.