Something I’d learned from my father


Marker for the International Dateline from a front yard on Taveuni; via Flickr

My dad was a navigator during World War II. He knew a lot about celestial navigation, time zones and the International Dateline.

I once asked him if one traveled fast enough and could cross the International Dateline backwards – repeatedly – would they have to subtract a day each time  . . .

And as a result, would one end up traveling back in time?

He said,

Yes.
 

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