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Sigma KEE - EasterSunday
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EasterSunday
An instance of EasterSunday is a ChristianHoliday celebrating the resurrection of Jesus of Nazareth. Easter is a movable holiday, falling between late March and late April for Western Chrisitanity (Gregorian calendar), and between early April and early May for Eastern Christianity (Julian calendar). Easter is calculated to occur near the Jewish holiday Passover, the date of which is determined according to the Jewish lunar calendar.
Relationships      
Parents ChristianHoliday An instance of ChristianHoliday is a Holiday instituted and observed by members of Christianity.
  可动的假期 MoveableHoliday is the class of Holidays whose observance is not fixed to recurrences of any particular calendar day. For example, UnitedStatesMemorialDay is observed on the last Monday of May.
  星期日 The Class of all calendar Sundays.


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