March 20 officially marks the arrival of astronomical spring in the Northern Hemisphere with the vernal equinox, when the day and night are almost equal in length.
Autumn begins TONIGHT when the sun will be directly above the equator dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
Almanac - Wednesday 6/23/21 kalw.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kalw.org Daily Mail and Mail on Sunday newspapers.