Tidal friction caused by the gravitational pull of the moon is slowly dragging on the Earth's rotation, causing the length of a single day to increase by about one point eight milliseconds every century.

A closer look

Tidal friction caused by the gravitational pull of the moon is slowly dragging on the Earth's rotation, causing the length of a single day to increase by about one point eight milliseconds every century. Hundreds of millions of years ago, during the time of the dinosaurs, the Earth spun much faster and a typical day only lasted around twenty-three hours. This means that you technically have more time to accomplish your goals today than any of your distant ancestors did, yet you are still spending those precious extra milliseconds scrolling mindlessly through social media instead of doing anything productive. Eventually, millions of years from now, our descendants will have a twenty-five hour day to complain about, completely unaware that their exhausted circadian rhythms are the direct result of a giant space rock slowly putting the brakes on our entire planet