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Holidays and Observances Around the World
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United States Public Holidays
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When is International Asteroid Day in United States?
International Asteroid Day falls on Monday, June 30th, 2025 in United States.
Quick Facts
| This year: | 30 June 2025, Monday |
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| Next year: | 30 June 2026, Tuesday |
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| Last year: | 30 June 2024, Sunday |
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| Type: | UN observance |
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Dates for International Asteroid Day
| Holiday name |
Date |
Weekday |
| International Asteroid Day |
June 30, 2025 |
Monday |
| International Asteroid Day |
June 30, 2026 |
Tuesday |
| International Asteroid Day |
June 30, 2027 |
Wednesday |
| International Asteroid Day |
June 30, 2028 |
Friday |
| International Asteroid Day |
June 30, 2029 |
Saturday |