No wonder the days seem so long

I was reading the article “Chile Earthquake May Have Shortened Days on Earth” and I read something interesting:

One Earth day is about 24 hours long. Over the course of a year, the length of a day normally changes gradually by one millisecond. It increases in the winter, when the Earth rotates more slowly, and decreases in the summer…

(emphasis mine.)

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2 Responses to “No wonder the days seem so long”

  1. It increases in the winter, when the Earth rotates more slowly

    I read that, too. My question was, “Which winter?” Apparently whoever wrote that doesn’t know that the seasons flip at the equator…

  2. Well I figured that since it was written for a US audience, it’s probably the Northern Hemisphere’s Winter.

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