What Are Leap Seconds and Why Are They Being Scrapped?
In 1972, atomic clocks showed that a day is not exactly 86,400 seconds long, which can cause problems for timekeeping. To fix this problem, leap seconds were introduced. A leap second is a one-second adjustment made at the end of December and/or June to keep Coordinated Universal Time (UTC) close to Universal Time (UT1). However, …