Science ❯Earth Science ❯Geophysics

Earth's Rotation

Factors Affecting Rotation Core Dynamics Effects of Acceleration Acceleration

Earth’s Rotation Breaks Records with Successive Millisecond-Short Days

Atomic-clock data confirm July 9 and 10 as the shortest days of 2025, forecasting July 22 to shave another 1.34 ms from a solar day.

New Projections Confirm Record-Short Days This July and August

Earth Could Set Shortest Day Record in July or August 2025