This template is used by Template:Year_article_header to compute Zeller's congruence to determine if a year is a common or leap year, a leap year being divisible by 4 and not divisible by 100, or divisible by 100 and 400, and to indicate which day of the year it starts on and the year type (exceptional, leap, or common).

"https://si.wikipedia.org/w/index.php?title=සැකිල්ල:Year_article_header_zc&oldid=280196" වෙතින් සම්ප්‍රවේශනය කෙරිණි