</noinclude><includeonly><!-- The calculation is ((day of month + day of week - 2) mod (days in month)) + 1-->{{#expr:(({{{3}}} + {{{4}}} - 2) mod (<!---->{{#switch:Days in month|{{{2}}}|April |June |September |November=30|February=({{#ifexpr:((({{{1}}} mod 4) > 0) or ((({{{1}}} mod 100) = 0) and (({{{1}}} mod 400) > 0)))|28|29}})|31}})) + 1}}</includeonly>