Seasonal Change Calculator
Calculate the exact dates of equinoxes and solstices. Find when each season begins and ends.
Astronomical Events 2026
March Equinox
Friday, March 20, 2026 at 02:40 PM
June Solstice
Sunday, June 21, 2026 at 08:23 AM
September Equinox
Wednesday, September 23, 2026 at 12:13 AM
December Solstice
Monday, December 21, 2026 at 08:53 PM
Current Season
Spring
Next season change in 24 days
Spring
Mar 20
93 days
Summer
Jun 21
94 days
Autumn
Sep 23
90 days
Winter
Dec 21
89 days
Season Durations
Note: Astronomical seasons are based on Earth position relative to the Sun. Meteorological seasons follow the calendar months (Dec-Feb winter, Mar-May spring, etc.).
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
Formula Source: Standard Mathematical References
by Various