Comment on The Chinese calendar is 4721 years old. Did it have the same problem as the Julian calendar with an imprecise number of days per year?

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Kes@lemmy.blahaj.zone ⁨9⁩ ⁨months⁩ ago

The 3 Gorges Dam in China slowed the Earth’s rotation by .06 microseconds per day due to the amount of water moved altering the Earth’s moment of inertia

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