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
| December Up days: | 1, 4, 6, 9, 16, 17, 18, 21, 22, 24, 26, 27, 29, 30, 31 |
| Down days: | 8, 11, 14, 15, 20, 23 |
| Most positive: | 4, 16, 21, 24, 26, 30, 31 |
| Most negative: | 11, 14, 20 |