ROANOKE, Va. (WFXR) — Are you a weather enthusiast? Love watching the skies? See if you can correctly guess this WFXR Weather Trivia question!

In which year will the autumnal equinox fall on September 21st?

The date and time of the autumnal equinox are determined by the Earth’s tilt and its position in relation to the sun. Due to these factors, the equinox can land on different dates each year.

Usually, the autumnal equinox falls on September 22nd or 23rd. However, that’s not always the case.

The autumnal equinox can also fall on September 21st, but it doesn’t happen often. We can expect to see the equinox fall on this day during the year 2092.

The last time the autumnal equinox fell on September 21st was more than a thousand years ago.