For a billion years, Earth’s day lasted only 19 hours

ECOticias.com·Dec 31

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Earth's day is reported to have lasted only 19 hours for approximately a billion years. The slowing down of the planet is said to have occurred over billions of years, with evidence from ancient coral fossils showing a shorter day hundreds of millions of years ago. The current length of a day on Earth is described as 24 hours, but the planet's rotation is still slowing down.

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Space Daily·May 30

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For a billion years, Earth’s day lasted only 19 hours

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A day on Earth is described as 24 hours, but the planet has been slowing down for billions of years — and growth rings in ancient coral fossils show that 380 million years ago, hundreds of millions of years before any dinosaur existed, an Earth day was only ab

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