Re: [math-fun] Calendar puzzle

On Sun, 13 Sep 2015, Keith F. Lynch wrote:

Assume the "cal" command allowed years of any length, rather than being limited to four-digit years.

Sometime around 4140 AD, the Gregorian rule will lose synchronization with the equinoxes and an extra Feb 29 will be needed. So the result depends on what fix humanity adopts. -- Tom Duff. Those that can, do. Those that can't, distribute.