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if ($year % 4) {$nod=$nod-365} else {$nod=$nod-366}; #check for the le +ap year.
if ((($year % 4 == 0) && ($year % 100 != 0)) || ($year % 400) == 0) {$ +nod=$nod-365} else {$nod=$nod-366}; #check for the leap year.