Earth’s rotation is changing speed

[Ezalor]

This means that, on average, the length of a day increases by around 1.8 seconds per century. 600 million years ago a day lasted just 21 hours.

 

[theyoungthug]

Wow, that’s wild! So, days are getting longer slowly over time—like an extra 1.8 seconds every 100 years. 600 million years ago, a day was only 21 hours long. Time flies, huh?