Tuesday December 16, 2025

Gregorian

December 16, 2025

Lunar Hijri

Jumada II 25, 1447

Solar Hijri

Azar 25, 1404

Research Day

National occasion Strength of evidence: Strong

National research day in Iran’s official calendar.

Sources

تقویم رسمی کشور، مؤسسه ژئوفیزیک دانشگاه تهران

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