Scientists believe several factors could contribute to this acceleration.
Earth's rotation is expected to speed up in July and August this year, resulting in shorter days. Specifically, July 9, July 22, and August 5 are predicted to be the shortest days, according to a new report from timeanddate.com. However, the shortening of days will be subtle, with milliseconds being the unit of measurement. For example, August 5 is predicted to be around 1.51 milliseconds shorter than average.
Notably, the Earth rotates just over 365 times on its axis, which are number of days in a year. But this was not the case always, as various calculations have suggested that the number of days it took Earth to go around the Sun in the past has ranged from around 490 to 372 days.
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