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Your search for ′Why do Catholicism and Orthodox Christianity have different dates for Easter′ returned the following results:
on the error of the Julian Calendar
But the difference in the celebration of Easter between Orthodox and Catholics is not only based on the error of the Julian Calendar but also on the error of the so-called “Metonic cycle”, named after Greek astronomer Meton of Athens of the 5th century BC.
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because of differing calendars
However, as discussed above, Eastern Orthodox and Western/Eastern Catholic Easter falls on different dates because of differing calendars.
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In eastern orthodox christianity, and from the western date
In eastern orthodox christianity, and for some byzantine catholics, the date for easter (called pascha in orthodox traditions) often differs from the western date.
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on the same day
In 2013, Orthodox Easter falls on Sunday 5 May - Easter generally doesn’t fall on the same day for Orthodox Christians and for Catholics and Protestants.
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in other years
The date of Orthodox Easter (also known as Pascha) as celebrated in Eastern Christianity is the same as Easter in some years but differs in other years.
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on the Julian calendar, which often differs from the Gregorian calendar that is used by many western countries
Many Orthodox churches base Christians's Easter date on the Julian calendar, which often differs from the Gregorian calendar that is used by many western countries.
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at a later date than the Western Catholic Easter does
Few people know this but Orthodox Easter often occurs at a later date than the Western Catholic Easter does.
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weekends
Each year the date of both Catholic and Orthodox Easters change weekends and more often than not, the Orthodox happens later by some weeks.
on April 24
This year the Western church celebrates Easter on April 17, while the Eastern Orthodox Church celebrates Easter one week later on April 24.
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in some years
The date of Orthodox Easter (also known as Pascha) as celebrated in Eastern Christianity is the same as Easter in some years but differs in other years.
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the same as Easter
The date of Orthodox Easter (also known as Pascha) as celebrated in Eastern Christianity is the same as Easter in some years but differs in other years.
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Due To The Use Of The Julian Calendar By The Former And The Gregorian
The Difference In Dates Between Orthodox Easter And Easter Is Due To The Use Of The Julian Calendar By The Former And The Gregorian.
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by using the modified Julian calendar while Easter in the rest of the Christian world is set using the Gregorian calendar
Easter's date in the Greek Orthodox religion is determined by using the modified Julian calendar while Easter in the rest of the Christian world is set using the Gregorian calendar.
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from the western tradition, , introduced by Pope Gregory XIII in 1582 which uses the Gregorian calendar
However, the timing of the Orthodox celebration of Easter is based on the Julian calendar – first used by Julius Caesar in 46 B.C – and differs from the western tradition, which uses the Gregorian calendar, introduced by Pope Gregory XIII in 1582.
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For some years on the same day as Catholics
For some years the Orthodox observe Easter on the same day as Catholics; in other years the dates may differ by either one week (as either one week does this year) or 5 weeks.
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on the first Sunday
For these reasons, Orthodox Easter is celebrated on the first Sunday, after the first full moon, following the vernal equinox and always after Jewish Passover.
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inside the Julian calendar, which remains utilized by many Orthodox Christian churches
The Orthodox Easter date additionally varies each year inside the Julian calendar, which remains utilized by many Orthodox Christian churches.
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based on the Julian Calendar which was in use during the First Ecumenical Council of Nicaea in 325 A.D.
While some Eastern Orthodox Churches not only maintain the date of Easter based on the Julian Calendar which was in use during the First Ecumenical Council of Nicaea in 325 A.D., they also use the actual, astronomical full moon and the actual vernal equinox as observed along the meridian of Jerusalem.
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