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10
votes
1answer
449 views

What is the origin of Indian weekday names?

The days of the week in several Indian languages are named after the same planets/gods as the Graeco-Roman days of the week. Did these arise from some common source predating both (PIE?), or was the ...
9
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2answers
789 views

Why did the clocks go back in Shanghai on December 31, 1927?

If you are a Stack Overflow user you may already have read Jon Skeet's excellent answer that discusses a time zone change at the end of 1927 in Shangai, when the clocks went back for 5 minutes and 52 ...