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International Earth Rotation and Reference Systems Service

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Situations

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CGPM votes to abolish leap seconds

7 clusters · 117 sources · last updated

Latest: General Conference on Weights and Measures to abolish leap seconds

The General Conference on Weights and Measures (CGPM) has officially approved Resolution 5 to abolish the leap second, a move designed to protect digital infrastructure from synchronization errors. During its 28th meetin

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Earth rotation speed and physical implications

2 clusters · 5 sources · last updated

Latest: Earth rotation: Theoretical simulations of catastrophic stopping consequences

Recent observations indicate that Earth’s rotation is accelerating, which creates a discrepancy between astronomical time and the precision of atomic clocks. This acceleration, potentially influenced by liquid core dynam