Revision as of 10:14, 1 January 2026 by Mob(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 [[leap year starting on {{#time:l|{{{1}}}-01-01}}|century leap year starting on {{#time:l|{{{1}}}-01-01}}]] | an [[common year starting on {{#time:l|{{{1}}}-01-01}}|exceptional century common year starting on {{#time:l|{{{1}}}-01-01}}]]}} | {{#ifeq: {{#expr:{{{1}}} mod 4}} | 0 | a leap year starting...")