Data shows our former 24-hour daily rotation is decreasing incrementally, making the day marginally shorter. For example, Sunday lasted only 23 hours, 59 minutes and 59.9998927 seconds, according to TimeAndDate.com. And though the planet’s rotation rate may speed up or slow down slightly from day to day, due to natural terrestrial and celestial alterations, astronomical calendar trends indicate that recent years have become shorter overall. Case in point, 2020 beat 2005’s shortest day 28 times, and 2021 is slated to be about 19 milliseconds short of a typical year, with an average daily deficit of 0.5 milliseconds. The world’s clock...