https://news.abplive.com/science/earth-had-19-hour-days-for-a-billion-years-in-the-past-study-suggests-1609042
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6/14/23 at 1:47pm
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Abplive.com
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Radifah Kabir
In the mid-Proterozoic era, Earth's day length was equal to about 19 hours due to tidal phenomena. The day length was equal to about 19 hours for about one billion years.
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