Gregorian - Monday-based, week 40, 1 month
      October 2013     
   Mo Tu We Th Fr Sa Su
40     1  2  3  4  5  6
41  7  8  9 10 11 12 13
42 14 15 16 17 18 19 20
43 21 22 23 24 25 26 27
44 28 29 30 31