What’s the deal with daylight saving? On this StarTalk explainer, Neil deGrasse Tyson and co-host Chuck Nice question the existence of daylight saving time.

Why do some places have daylight savings and others don’t? Find out how it works and how it originated. You’ll learn about the earth’s axis and how the days differ from summer to winter. Why are sunlight hours different in Alaska than they are in Arizona? Is daylight saving really helpful or just a relic from an earlier time? What would happen if we got rid of it? More of our world’s questions answered on another StarTalk explainer!

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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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0:00 – Introduction
0:37 – Why Do We Have Daylight Savings?
4:22 – How Daylight Varies At Different Parts Of The Globe
6:00 – Why Alaska Has Fewer Timezones
6:33 – Why Doesn’t Arizona Have Daylight Savings Time?
7:49 – Should We Get Rid Of Daylight Savings?
8:20 – Closing Notes

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