When Do The Four Seasons Start And End |work| Jun 2026

Winter is the coldest and darkest season of the year. In the Northern Hemisphere:

The ancient Celts defined seasons based on the solar cross-quarter days (the midpoints between solstices and equinoxes): when do the four seasons start and end

calendar (based on the annual temperature cycle and fixed three-month blocks). The Old Farmer’s Almanac 2026 Seasonal Dates (Northern Hemisphere) Winter is the coldest and darkest season of the year