Scientists have identified three days this summer that will be notably shorter than the typical 24-hour day as Earth’s rotation unexpectedly speeds up, according to reports including the New York Post and Popular Mechanics. Under normal circumstances, a day lasts about 86,400 seconds, or exactly 24 hours. However, this summer , July 9, July 22, and August 5 are set to lose up to 1.51 milliseconds each, making them some of the shortest days observed since 2020, as confirmed by the International