| Date | Time | Weekday | Phase | Illumination | Age |
|---|---|---|---|---|---|
| Jan 18, 1931 | 13:37 | Sunday | New Moon | 0% | 28.8 days |
| Feb 17, 1931 | 02:21 | Tuesday | New Moon | 0% | 28.8 days |
| Mar 18, 1931 | 15:05 | Wednesday | New Moon | 0% | 28.8 days |
| Apr 17, 1931 | 03:49 | Friday | New Moon | 0% | 28.8 days |
| May 16, 1931 | 16:33 | Saturday | New Moon | 0% | 28.8 days |
| Jun 15, 1931 | 05:18 | Monday | New Moon | 0% | 28.8 days |
| Jul 14, 1931 | 18:02 | Tuesday | New Moon | 0% | 28.8 days |
| Aug 13, 1931 | 06:46 | Thursday | New Moon | 0% | 28.8 days |
| Sep 11, 1931 | 19:30 | Friday | New Moon | 0% | 28.8 days |
| Oct 11, 1931 | 08:14 | Sunday | New Moon | 0% | 28.8 days |
| Nov 9, 1931 | 20:58 | Monday | New Moon | 0% | 28.8 days |
| Dec 9, 1931 | 09:42 | Wednesday | New Moon | 0% | 28.8 days |