org.jfree.date

Class EasterSundayRule

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:

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 Summary
	EasterSundayRule() Default constructor.

Method Summary
SerialDate	getDate(int year) Returns the date of Easter Sunday for the given year.

Constructor Detail

public EasterSundayRule()

Default constructor.

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.

Parameters: year the year to check.

Returns: the date of Easter Sunday for the given year.