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When is the next earth hour?

If I were in an aircraft that could travel 25,000 miles per hour circling the earth traveling west, will it be tomorrow (23 hours into the future) when I arrive at my original starting point in about an hour (from my perspective)?

  • - Earth's circumference, about 25,000 miles (at the equator) - Have crossed the International Date Line, advancing time 24 hours

  • Answer:

    No, it will be today, one hour later, on the calendar watch you wear in the plane. And when you go into the airport your calendar watch will agree with the calendar and clock there. You were traveling over the ground where time zones are heuristic, not traveling through time.

Barry Hampe at Quora Visit the source

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Other answers

No. It's true that you advance 24 hours when crossing west over the International Date Line, but you also lose 1 hour every time you fly west 1000 miles. These changes will cancel each other out.

Barry Carter

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