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A comment on No leap second will be introduced at the end of December 2026. Parent comment

Re:No leap second will be introduced at the end of December ... by wongarsu on Thursday July 09, 2026 @11:35AM (#48847653)
Seems like the seasonal change in June-October increased

My best guess would be it's somehow related to water distribution? More water going into the atmosphere? Glaciers growing (unlikely)? Did multiple huge water reservoirs go into service and get filled up over the summer months?

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Re:No leap second will be introduced at the end of December ... by recursivecaveat on Thursday July 09, 2026 @04:31PM (#48851968)
I know the Three Gorges Dam added ~0.06 microseconds on its own, so the effect of reservoirs definitely is noticeable. https://www.jpl.nasa.gov/news/nasa-details-earthquake-effect...
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