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.

Also known as: International Asteroid Day countdown · when is International Asteroid Day

287

days to go41 weeks · about 9 months

DateJune 30, 2027

CountdownWhole calendar days

TimezoneYour local timezone

LocationWorldwide

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When is International Asteroid Day?

The United Nations lists International Asteroid Day on June 30 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.

Date schedule

Current and future dates for International Asteroid Day.

These dates are calculated from a reviewed recurrence rule and stop at the stored source-review horizon. Estimated rows remain labelled as estimates.

Wednesday, June 30, 2027Current countdown
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Friday, June 30, 2028
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Saturday, June 30, 2029
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Sunday, June 30, 2030
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026
Monday, June 30, 2031
Confirmed by source · Whole calendar days
United Nations · Checked August 1, 2026