How is Asteroid Day calculated?

This event is observed every year on 30 June.

When is Asteroid Day 2017?

Name: Asteroid Day
Start: 2017-06-30
End: 2017-06-30
Location: Worldwide

Friday, 30 June 2017

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.

Frequently asked questions

When is Asteroid Day 2017?: Asteroid Day 2017 is on Friday, 30 June 2017.
What day of the week is Asteroid Day 2017?: It falls on Friday.
How is Asteroid Day calculated?: This event is observed every year on 30 June.