When Do The Four Seasons Start And End [LATEST]
Whether you’re planning a garden, booking a vacation, or just trying to figure out when to pull your sweaters out of storage, knowing exactly when the seasons shift is essential. While we often think of the seasons as fixed blocks of time, their start and end dates actually depend on whether you’re looking at the sky or the calendar.
(the longest and shortest days of the year). Because a full orbit takes approximately 365.24 days, these dates shift slightly each year. in the Northern Hemisphere, the astronomical timeline is: Starts March 20 (Vernal Equinox) and ends June 20. Starts June 21 (Summer Solstice) and ends September 21. Fall (Autumn): when do the four seasons start and end
astronomical calendar
The four seasons are defined by two primary systems—the , which tracks the Earth's orbit and tilt relative to the sun, and the meteorological calendar , which groups months by annual temperature cycles. Whether you’re planning a garden, booking a vacation,
- March equinox ~ March 20, 10:00–22:00 UTC (local date may be March 19–21)
- June solstice ~ June 20–21
- September equinox ~ September 22–23
- December solstice ~ December 21–22
So, when do the four seasons start and end? There is no single correct answer. You have to choose the framework that matches your needs. March equinox ~ March 20, 10:00–22:00 UTC (local
- Starts: Approximately June 19, 20, 21, or 22.
- Ends: Approximately September 21, 22, 23, or 24.
- The Event: The Summer Solstice.