Autumn equinox

Fall () - starting September 1 and ending November 30,

On the autumn equinox, day and night are each about 12 hours long (with the actual time of equal day and night, in the Northern Hemisphere, occurring a few days after the autumn equinox).

  

The Sun crosses the celestial equator going southward; it rises exactly due east and sets exactly due west.

 

Winter startingDecember 1 and ending February 28 (February 29 in a Leap Year)

    The winter solstice is the darkest day of the year when the Sun reaches its most southern point in the sky at local noon. After this date, the days start getting "longer,", the amount of daylight begins to increase.