[plt-scheme] GMT date stamps and time-zone-offset

From: Richard Cleis (rcleis at mac.com)
Date: Fri Aug 24 00:03:20 EDT 2007

> The subject of time has to put it mildly been convoluted. To me the
> most curious time related concept is leap seconds.

UTC runs at a rate determined by atomic clocks.
The earth rotates at a slightly erratic rate determined by many things.
Leap seconds are occasionally needed to make up the difference.

Some argue that the effort isn't worth the trouble:



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