From: utzoo!decvax!harpo!npois!alice!rhm
Newsgroups: net.math
Title: puzzle
Article-I.D.: alice.607
Posted: Tue Jun  1 18:13:36 1982
Received: Wed Jun  2 01:36:20 1982

I was informed recently by a swami of irreproachable accuracy
that the world would end the next time the first day of a century
falls on a Sunday.

Can anyone help me find out when this will be?

[The rules for the calendar currently in use are that century years
are not leap years unless they are divisible by 400.  I.e. 2000 is
a leap year; 1900 was not.

The first day of the 20th century was Tuesday, Jan 1, 1901
NOT Jan 1, 1900.]