zeller
Zeller's congruence is an algorithm devised by Christian Zeller to calculate the day of the week for any Julian or Gregorian calendar date.
Zeller's congruence is an algorithm devised by Christian Zeller to calculate the day of the week for any Julian or Gregorian calendar date.
Implementing zeller's congruence to discover what is the weekday given a date
Find the exact day of the week after the Western calendar.