Revision as of 08:49, 4 January 2018 by Icem4k(talk | contribs)(Created page with "<includeonly><!--Zeller's congruence, modified -->{{#ifexpr:{{{1}}}>1582|{{#ifeq: {{#expr:{{{1}}} mod 100}} | 0 | {{#ifeq: {{#expr:{{{1}}} mod 400}} | 0 | a century le...")