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Global observance

International Asteroid Day

International Asteroid Day is an annual global observance recorded by the United Nations. This countdown follows the published calendar date worldwide and retains the United Nations source for review.

333
days to go
DateJune 30, 2027
CountdownWhole calendar days
TimezoneYour local timezone
LocationWorldwide
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Good to know

When is International Asteroid Day?

The United Nations lists International Asteroid Day on June 30, 2027 each year. This countdown follows that published global observance date.

This calendar-date countdown follows your local timezone. It does not invent a universal midnight.