When was the atomic bomb dropped on Hiroshima?

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The United States dropped an atomic bomb on Hiroshima on August 6, 1945, at approximately 8:15 AM local time.12

This attack, carried out during World War II using a uranium-based weapon known as Little Boy, marked the first time atomic weapons were used in warfare. The explosion resulted in the immediate deaths of approximately 70,000 people, with the total death toll surpassing 100,000 by the end of the year due to injuries and radiation poisoning.12