Global timekeepers vote to abolish the leap second

Global timekeeping authorities have voted to eliminate the leap second, closing a long-standing debate over how to synchronize international time. Wired and CNET both report that the decision was made on Thursday during an official vote to abolish the practice. The choice ends three decades of discussion among timekeeping experts regarding how to manage differences in global clocks. [1][2]

Human timekeeping relies on Coordinated Universal Time, which balances atomic time measured by precise atomic clocks with astronomical time based on the rotation of the Earth. CNET reported that because atomic clocks run at a constant rate while the Earth's natural motion varies, leap seconds were added to keep the two systems aligned. Nature World News reported that the Earth spinning faster increased the risk of a negative leap second, which pushed officials to act. [2][3][7]

Wired and CNET both reported that removing the leap second helps prevent time-related computer anomalies and technical errors in modern infrastructure. According to Wired, the move also staves off potential risks associated with introducing the first negative leap second into global technology networks. [1][2]