Calcular a data do Carnaval e da Páscoa [Python]

Calcular a data do Carnaval e da Páscoa

Publicado por Jose Carlos Rocha (última atualização em 28/01/2015)

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Este script faz o cálculo das datas do carnaval e da páscoa dos anos entre 1901 e 2099.

Esconder código-fonte

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#  utilitarios.py
#  
#  Copyright 2015 José Carlos Rocha <jcr0ch4@gmail.com>
#  
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#  
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#  
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#  MA 02110-1301, USA.
#  
#  
from datetime import date
X = 24
Y = 5
ANO = int(raw_input("Informe o ANO :"))
A = ANO % 19
#print A
B = ANO % 4
#print B
C = ANO % 7 
#print C
D = ( 19 * A + X ) % 30
#print D
E = ( 2 * B + 4 * C + 6 * D + Y ) % 7
#print E
if ( (D + E ) > 9 ):
    DIA = D + E - 9
    print "A Pascoa sera dia "+str(DIA)+" de Abril"
    MES = 04
    DATA1 = date(ANO, MES, DIA )
    # O carnaval sera a subtração de 47 dias da data da pascoa
    CARNAVAL = date.fromordinal(DATA1.toordinal()-47 )
    print "O Carnaval sera na data :"+str(CARNAVAL)
else:
    DIA = D + E + 22
    print "A Pascoa sera dia "+str(DIA)+" de Março"
    MES = 03
    DATA1 = date(ANO, MES, DIA )
    CARNAVAL = date.fromordinal(DATA1.toordinal()-47 )
    print "O Carnaval sera na data :"+str(CARNAVAL)