Earth to spin faster on July 22, to see 2nd shortest day of the year
Earth will complete a full rotation of Sun in slightly less time than usual on Tuesday (July 22). The difference will be 1.34 milliseconds less than the standard 24 hours. It will be the second-shortest day of 2025, after July 10 clocked in 1.36 milliseconds short. The shortest day ever is said to be July 5, 2024 (1.66 milliseconds faster).