Official

International Asteroid Day 2026

International Asteroid Day falls on June 30, 2026.

30 June 2026
Date June 30, 2026 Tuesday 15 days from today Source: United Nations

About this observance

A United Nations international observance marked on June 30.

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Frequently Asked Questions

International Asteroid Day is listed for June 30, 2026 in 2026.

The current source label for this entry is United Nations.