Celebrate New Year's twice - at a price!

There was a ship that did something similar at the international date line in 99/2000

 

They had a similar thing on the Concord when it was still flying between London and NY.

 

Clay Lacy flew a party flight that was crisscrossing the time zone borders on date line so that they had multiple "new years". If I remember correctly he used his 727-100.

 

When I was younger I was after a hot blonde and I think I crossed the Unintentional Date Line when a pretty brunette showed up.

 

Earth's rotation speed (angular velocity is a constant) varies with latitude, so staying at a high latitude makes it easier to pull off two New Years or two same day events. 900 knots at the equator and about half that at 45 deg N or S, zero at the poles.

Bob- Which one did you land?

 

And Bob -- how was the hangar? Tight fit?

 

Neither, since it was an Unintentional Line, the earth was rotating in the opposite direction because both of them were Poles...and you know how Poles are.

 

Not quite. The linear velocity at a point on earth's surface is a function of the cosign of latitude. A ratio of 1 at the equator and 0 at the pole, but more like 70% at 45 degrees latitude...

 

Will- Yup. A little spherical geometry goes a long ways. Half was a bad estimate.

 

Those Poles weren't much. Only produced a few guys like Sikorsky, Severski, Kartveli, Piasecki, and of course, Pietenpol.

 

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I knew that those Poles were sneaky , playing like they are Russians.

 

Helps when computing crosswinds too...