Fall 2024: When is the first day of astronomical autumn and when is calendar autumn?

Regina Pierce

Fall 2024: When is the first day of astronomical autumn and when is calendar autumn?

The beginning of autumn is marked by at least three different dates. Depending on whether it is calendar, astronomical or meteorological. The latter is already underway.

When does the fall calendar start?

The start dates of the calendar seasons are set. Winter starts on December 22, spring on March 21, summer on June 22, and fall on September 23. In 2024 it will be a Monday.

Astronomical autumn is something else. Its beginning in the Northern Hemisphere is marked by the autumnal equinox, also known as the September equinox, when day and night are of equal length. The date is flexible. It falls on September 22 or 23.

When is the first day of astronomical autumn in 2024?

This year, astronomical autumn will begin a day earlier than calendar autumn. It will occur on Sunday, September 22. The autumnal equinox will occur at exactly 2:43 p.m.

When will the summer to winter time change occur in 2024?


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