25-hour day proposed: Using caesium fountain clock, one of the most precise clocks in the world, scientists revised the measurement of the second and found 1 second is only about 96% of the current definition, which means a day would last 24 hours, 56 minutes and 24 seconds. pic.twitter.com/fOuqOslkxK
— China Science (@ChinaScience) April 6, 2023