While we often think of seasons as fixed periods on a calendar, they are actually verified by two distinct systems: the astronomical and the meteorological calendars. Both systems divide the year into four parts—spring, summer, autumn, and winter—but they use different benchmarks to determine when one ends and the next begins. 1. The Astronomical Calendar: Guided by the Stars
The Two Faces of Time: Astronomical and Meteorological Seasons
Both systems are "correct" within their context. Let’s verify each one. months for the seasons verified
Begins around December 21 (Winter Solstice) and ends around March 20. Verified Months: December, January, February. Meteorological: March 1 to May 31.
November to December. Cooling temperatures and pleasant weather. Shishira (Winter): January to February. The coldest part of the year. Redbridge International Academy Global Comparison (Temperate Regions) While we often think of seasons as fixed
definition (based on the annual temperature cycle and calendar months) or the astronomical
Months for the Seasons Verified: The Complete Astronomical and Meteorological Guide The Astronomical Calendar: Guided by the Stars The
, which fall around the 21st of their respective months [25]. Spring Equinox: Around March 20 [20, 25] Summer Solstice: Around June 21 [25] Autumn Equinox: Around September 22 [25] Winter Solstice: Around December 21 [25] Regional Variations