How is Asteroid Day calculated?

This event is observed every year on 30 June.

When is Asteroid Day 2391?

Name: Asteroid Day
Start: 2391-06-30
End: 2391-06-30
Location: Worldwide

Sunday, 30 June 2391

Asteroid Day is an international awareness event held each year on 30 June to promote public understanding of asteroids, planetary defence, and the 1908 Tunguska event in Siberia.

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Frequently asked questions

When is Asteroid Day 2391?: Asteroid Day 2391 is on Sunday, 30 June 2391.
What day of the week is Asteroid Day 2391?: It falls on Sunday.
How is Asteroid Day calculated?: This event is observed every year on 30 June.