.

Northern Hemisphere
SeasonDate — know where I am
but never sure when
.

Season Date Days Season Start Northern Hemisphere

Spring 2020March 19th – Thursday-326
Summer 2020June 20th – Saturday-233
Autumn/Fall 2020September 22nd – Tuesday-139
Winter 2020December 21st – Monday-49* Local time for

Denver, CO. Accurate globally within 24 hrs.

SeasonDate# Days Season StartNorthern Hemisphere

Spring2021 March 20th – Saturday40
Summer 2021 June 20th – Sunday132
Fall 2021 September 22nd – Wednesday226
Winter2021 December 21st – Tuesday316* Local time for

Denver, CO. Accurate globally within 24 hrs.