Move the matrix

// Impl.
var p=parseInt;
function m(d, i, l, c) {
    if (c>=l*l) return i;
    var x=[d<5?c%l:l-1-c%l,d<5?l-1-p(c/l):p(c/l),i[p(c/l)][c%l],m(d,i,l,c+1)];
    x[3][x[0]][x[1]]=x[2];
    return x[3];
}

// Demo
print(                          // Pretty print matrix
    m(                      // "Move"-function
        0,                  // Zero-based day of week (0 = monday ..)
        [                   // Input matrix
            [ 1, 2, 3, 4, 5, 6],
            [ 7, 8, 9,10,11,12],
            [13,14,15,16,17,18],
            [19,20,21,22,23,24],
            [25,26,27,28,29,30],
            [31,32,33,34,35,36]
        ],
        6,                  // N size of matrix
        0                   // Counter, init at 0
    )
);

// Pretty print
function print(arr) {
    for (var i = 0; i < arr.length; i++) {
        console.log('');
        for (var j = 0; j < arr[i].length; j++)
            process.stdout.write(" "+arr[i][j]);
    }
    console.log('');
    console.log('');
}

// Output
// 31 25 19 13 7 1
// 32 26 20 14 8 2
// 33 27 21 15 9 3
// 34 28 22 16 10 4
// 35 29 23 17 11 5
// 36 30 24 18 12 6