Why Do Days Start At 12 O'Clock? - a podcast by Vermont Public Radio

How was time created? How did one minute become 60 seconds and one hour became 60 minutes? Why is time segmented into 12-hour periods? How do clocks work? Why is a year 365 days? Why is there an extra day in February every four years? Does time have a beginning or an end? Is time travel possible? Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.

Further episodes of But Why: A Podcast for Curious Kids

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