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EL PAÍS
Relojes atómicos y astronómicos seguirán rutas diferentes
The International Bureau of Weights and Measures has decided to eliminate leap seconds, which are added irregularly to synchronize atomic time with Earth's rotation. The change will take effect in 2027, earlier than the initially planned 2035, due to concerns about system reliability amid Earth's irregular rotation caused by natural and climate-related factors. This decision means that the difference between Coordinated Universal Time (UTC) and astronomical time will gradually grow, with future generations managing the resulting discrepancies.
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