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Dinosaurs existed 65.5 million years ago. Back then, a day was about 23 hours. Saying that an average day between modern times and the dinosaur age was 23.5 hours, and a year is 365.25 x 24 hours, then the dinosaurs died out about 24,431,500,000 days ago.

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βˆ™ 10y ago
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βˆ™ 7y ago

It was 230 million years ago.
The earliest known dinosaur fossils are from approximately 225 million years ago.

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βˆ™ 11y ago

The earliest known dinosaur fossils are from approximately 225 million years ago.

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Q: How many days ago did the dinosaurs live?
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