ENTER THE YEAR (between -4000 and +2500)

The dates of the seasons are given in the Julian calendar for the earlier dates to October 4th, 1582 and in the Gregorian calendar for the later dates to October 15th, 1582. For the dates calculation earlier to the origin of the Christian era we can use the astronomers' notation. The moments are given in universal time. The results are provided at the minute of time.

Informations on seasons (in french)

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