BAKIT PABAGO-BAGO ANG PETSA NG KWARESMA? : Why the Date of Lent Is Not Fixed?

Why The Date of Lent Is Not Fixed?
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Another blessed day to all of us. Now we will discuss on why the date of Lent is not fixed? Did you notice that Holy Week sometimes happened in the month of March and sometimes in the month of April? That is what non-Catholics are criticizing since the date of Christmas is fixed at December 25, yet the date of Christ's death is not fixed. How to answer this?
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First of all, we will make it clear that it is not the date that Catholics are celebrating, but the Christ's act of salvation to the whole mankind through his Crucifixion at the cross. Thus, it is not important if Holy Week occurs in the month of March or April. But why the date is moveable?
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It is because the calendar used as the basis of Christ's Crucifixion is the Hebrew Calendar. The death of Christ happened during the Jewish Feast called the Pesach, Pascua or Passover. And it happens only in the month of Nisan, based on the Hebrew Calendar. The month of Nisan coincides with the months of March and April, based on the Gregorian Calendar. Thus, if you look at the calendar, Holy Week occurs in the Month of March and April, the month of which Passover is celebrated in Israel.
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During the 2nd century, there was a disagreement of the early Christians on what date would they celebrate Easter. That was being called the Easter Controversy or Quartodeciman Controversy. There were Christians in those period who instead of celebrating Easter on the Sunday after the Passover, they celebrated it along with the Jewish Passover every Nisan 14, even if the day would occur on Monday, Tuesday, Wednesday. Whereas, many Christians before had celebrated Easter during Sunday after the Jewish Passover, since Christ had resurrected on Sunday.
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That controversy resulted in a short lived schism. Because many of the bishops in Asia Minor, which is now in Turkey, headed by Polycrates (the bishop of Ephesus) had celebrated Easter on Nisan 14. They had convened many synods in order to come up