Science ❯Physics ❯Time Measurement

Atomic Clocks

Discrepancy with Astronomical Time Microseconds Precision Timing Leap Seconds

Earth Registers Shortest Day on Record as Rotation Accelerates

Skipping June’s leap second keeps clocks aligned with Earth’s accelerating spin.

Earth Records One of Its Shortest Days on July 9

Three Record-Short Days Ahead as Earth’s Spin Accelerates