Dates Of Seasons ((new)) -

Meteorologists (weather scientists) created a simplified calendar to make record-keeping and climate statistics easier to compare. Seasons are defined by and grouped into tidy three-month blocks.

For millennia, the dates of seasons have dictated human behavior. dates of seasons

| Season | Meteorological Start (Fixed) | Astronomical Start (Approx.) | | :--- | :--- | :--- | | | March 1 | March 19, 20, or 21 | | Summer | June 1 | June 20, 21, or 22 | | Autumn | September 1 | September 21, 22, or 23 | | Winter | December 1 | December 20, 21, or 22 | | Season | Meteorological Start (Fixed) | Astronomical

Astronomical seasons are defined by the Earth's position relative to the Sun. These are the dates most of us see on our calendars, marked by and Solstices . marked by and Solstices .