Monday August 21, 2017

2018 Seasons Calendar


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Seasons divide the year into four distinct periods of time named Spring, Summer, Autumn/Fall, and Winter. Each season brings different weather, hours of light, and plant/animal behaviors. The seasons are brought about by the yearly orbit of the earth around the sun and the tilt of the earth's axis. Below are the astronomical dates for the calendar year 2018 for both the northern and southern hemispheres.

Season Date # Days Season Start
Northern Hemisphere
Spring 2018 March 20th - Tuesday 211
Summer 2018 June 21st - Thursday 304
Autumn/Fall 2018 September 22nd - Saturday 397
Winter 2018 December 21st - Friday 487
* Local time for Denver, CO. Accurate globally within 24 hrs.

Season Date # Days Season Start
Southern Hemisphere
Autumn/Fall 2018 March 21st - Wendesday 212
Winter 2018 June 21st - Thursday 304
Spring 2018 September 23rd - Sunday 398
Summer 2018 December 22nd - Saturday 488
* Local time for Sydney, Aus. Accurate globally within 24 hrs.







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