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Why is an hour 60 minutes?
How did they tell time before clocks? How did they come up with hours, minutes and seconds? What do AM and PM mean? For free home activities sign-up at www.WhoSmarted.com See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
Published on 4 years, 10 months ago