IERS Confirms No Leap Second Will Occur at End of December 2026

No leap second will be introduced at the end of December 2026

The International Earth Rotation and Reference Systems Service has officially announced that no leap second will be added to Coordinated Universal Time at the end of December 2026. This decision keeps the difference between UTC and International Atomic Time at minus 37 seconds. The bulletin confirms that time adjustments will continue to be monitored every six months based on the Earth's rotation.

"No leap second will be introduced at the end of December 2026."