When Do The Four Seasons Start And End Better -

(Note: Dates for the Southern Hemisphere are reversed. When it is astronomical summer in the north (June 21), it is astronomical winter in the south.)

The astronomical definition is likely the one you learned in school. It is based on the Earth’s 23.5-degree axial tilt and its 365-day journey around the sun. Seasons change when the Earth reaches four key points in its orbit: the two and the two equinoxes . when do the four seasons start and end

Summer begins when the Sun reaches its highest point in the sky, resulting in the longest day of the year. (Note: Dates for the Southern Hemisphere are reversed

Autumn (March), Winter (June), Spring (Sept), Summer (Dec). Summary Table: 2024–2025 (Northern Hemisphere) Astronomical Start (2024/25) Meteorological Start Spring Summer Autumn September 22 September 1 Winter December 21 December 1 Seasons change when the Earth reaches four key