| Season | Meteorological Start (Fixed) | Astronomical Start (Approx.) | | :--- | :--- | :--- | | | March 1 | March 19, 20, or 21 | | Summer | June 1 | June 20, 21, or 22 | | Autumn | September 1 | September 21, 22, or 23 | | Winter | December 1 | December 20, 21, or 22 |
If you live in the Northern Hemisphere, here are the official start dates for the upcoming seasons: Start Event Vernal Equinox Summer Summer Solstice Fall Autumnal Equinox September 22 September 22 Winter Winter Solstice December 21 December 21 dates of seasons
If you want to mark the official change in daylight and Earth's orbit, follow the astronomical dates (solstices and equinoxes). If you want a simpler, consistent way to track the weather, follow the meteorological seasons. | Season | Meteorological Start (Fixed) | Astronomical