When Do The Four Seasons Start And End Verified -

That is the meteorological definition, and it is now the standard for most official government climate records.

Note: In the Southern Hemisphere, these seasons are reversed (e.g., Summer begins in December). The Rhythm of the Earth: An Essay on the Four Seasons when do the four seasons start and end

September 22 or 23. Day and night are equal again. That is the meteorological definition, and it is

The astronomical seasons are dictated by the Earth's position relative to the Sun, specifically marked by two (when day and night are nearly equal) and two Day and night are equal again

Starts around September 22 or 23 . Like the spring equinox, the sun crosses the equator again, signaling the transition into cooler months.

March 20 or 21. This is when day and night are roughly equal in length.

The summer solstice is the longest day of the year. The North Pole is tilted maximally toward the sun. While many consider this "mid-summer," astronomically, it marks the beginning of summer. Day length slowly decreases after this point.