Day of the Week Python

PROGRAM TO FIND THE DAY OF THE WEEK USING TOMOHIKO SAKAMOTO'S ALGORITHM



def day_of_the_week(y,  m, d) :
  
    # array with leading number of days values
    t = [ 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 ]
           
    # if month is less than 3 reduce year by 1
    if (m < 3) :
        y = y - 1
           
    return (y + y // 4 - y // 100 + y // 400 + t[m - 1] + d) % 7
      
      
# Driver Code
day = 13
month = 7
year = 2017
  
print(day_of_the_week(year, month, day))


OUTPUT
 4

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