When Do The Four Seasons Start And End -

While most of us look for the first day of spring on a calendar, scientists often use whole-month blocks to simplify record-keeping and climate comparisons. 1. Astronomical vs. Meteorological: The Key Differences

Meteorologists and climatologists use a different system. They break the year into four three-month periods based on the annual temperature cycle and the Gregorian calendar. This makes record-keeping and data comparison much simpler. March 1 to May 31. Summer: June 1 to August 31. Autumn: September 1 to November 30. Winter: December 1 to February 28 (or 29). 3. The Hemispheric Difference when do the four seasons start and end

(Exact hour/minute changes every year; consult an astronomical almanac for precise timestamps.) While most of us look for the first