Season Change Dates 2025. Meteorological spring starts march 1st in the northern hemisphere and lasts 3 months (march, april, and may) with summer season (june, july, and august) and autumn. 21 december 2025 (7 hours 50 mins 1 sec) the shortest night of autumn 22 september 2025 (11 hours 46 mins 30 sec)
Click on the date that interests you to see the lighting map of the earth. For a complete listing of the dates of the winter and summer solstices and spring and fall equinoxes through 2025, check out this site from the u.s.