Season Changes

First Day of Spring
Spring Equinox


March

 (3/20/15, 3/20/16, 3/20/17, 3/20/18, 3/20/19, 3/20/20)
 

First Day of Summer
Summer Solstice - longest day of the year


June

(6/21/15, 6/20/16, 6/21/17, 6/21/18, 6/21/19, 6/20/20)
 

First Day of Autumn
Fall Equinox - day when night and day are of equal length
 

September

(9/23/15, 9/22/16, 9/22/17, 9/23/18, 9/23/19, 9/22/20)
 

First Day of Winter
Winter Solstice - shortest day of the year
 

December

(12/22/15, 12/21/16, 12/21/17, 12/21/18, 12/22/19, 12/21/20)
 

2007-2015