March 2021 Calendar

Interactive calendar with holidays and important dates for March 2021

March 2021

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March 2021 Holidays and Observances

March 8 International Women's Day - Celebrating women's achievements worldwide
March 17 St. Patrick's Day - Irish cultural and religious celebration
March 20 Spring Equinox - First day of spring in the Northern Hemisphere

About March 2021

March 2021 marks several significant dates in the calendar year. The month begins on a Monday and ends on a Wednesday, containing 31 days. It features the spring equinox on March 20, marking the astronomical beginning of spring in the Northern Hemisphere. The month also includes International Women's Day on March 8, celebrating women's achievements, and St. Patrick's Day on March 17, a cultural and religious celebration originating from Ireland.

Astronomical Events

The Spring Equinox occurs on March 20, 2021, at 5:37 AM EDT, marking the moment when day and night are approximately equal in length. This astronomical event signals the beginning of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.

Cultural Significance

March derives its name from Mars, the Roman god of war. In the ancient Roman calendar, March (Martius) was originally the first month of the year. The month maintains its importance in modern times through various cultural celebrations and the transition of seasons.