Class EasterSundayRule

  • All Implemented Interfaces:
    Cloneable

    public class EasterSundayRule
    extends AnnualDateRule
    An annual date rule for Easter (Sunday). The algorithm used here was obtained from a Calendar FAQ which can be found at:

    http://www.tondering.dk/claus/calendar.html.

    It is based on an algorithm by Oudin (1940) and quoted in "Explanatory Supplement to the Astronomical Almanac", P. Kenneth Seidelmann, editor.

    Author:
    David Gilbert
    • Constructor Detail

      • EasterSundayRule

        public EasterSundayRule()
        Default constructor.
    • Method Detail

      • getDate

        public SerialDate getDate​(int year)
        Returns the date of Easter Sunday for the given year. See the class description for the source of the algorithm.

        This method supports the AnnualDateRule interface.

        Specified by:
        getDate in class AnnualDateRule
        Parameters:
        year - the year to check.
        Returns:
        the date of Easter Sunday for the given year.