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Why does all of China have one time zone? Why do countries need time zones that are 30 and 45 minutes apart? How did Venezuela and North Korea come up with new time zones and then abandon them?
We don't think much about time zones or daylight saving time. It's a routine part of our lives. But once upon a time, it was the cutting edge of science, one of the most important achievements of its time. A unified time and time zones connected the entire world. Without them, life as we know it simply wouldn't exist.
But this didn't happen by chance. It was achieved by specific people. It's the result of a long journey. And a great political struggle. Because time has always been a political tool and weapon.
This video tells the unique story of how all the people on earth were able to reach an agreement. How time zones later became intertwined with national borders and politics. And why do we celebrate New Year's in turns?
0:00 – Why do we celebrate New Year's in turns?
1:45 – Are there 10 hours in a day?
2:57 – How did people count time in the past?
3:58 – Time and empires
5:11 – Useful advertising
6:35 – How trains changed time
8:26 – Father of time
10:23 – Who invented time zones?
1:19 PM – Time and Politics
3:56 PM – The Strangest Line on Earth
5:00 PM – The Country That Missed a Day
5:57 PM – How a Biologist Invented Daylight Saving Time
Correction:
3:12 AM Only in reverse: when it's 12:10 AM in London, it's 12:00 AM sharp in Bristol
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