| New moon | Dec 15, 939 | |
| Waxing crescent | from Dec 16, 939 to Dec 22, 939 | |
| Moon first quarter | Dec 23, 939 | |
| Growing moon | from Dec 24, 939 to Dec 29, 939 | |
| Full moon | Dec 30, 939 | |
| Waning moon | from Dec 31, 939 to Jan 5, 940 | |
| Moon third quarter | Jan 6, 940 | |
| Waning crescent | from Jan 7, 940 to Jan 12, 940 |
| New moon | Jan 13, 940 | |
| Waxing crescent | from Jan 14, 940 to Jan 21, 940 | |
| Moon first quarter | Jan 22, 940 | |
| Growing moon | from Jan 23, 940 to Jan 27, 940 | |
| Full moon | Jan 28, 940 | |
| Waning moon | from Jan 29, 940 to Feb 3, 940 | |
| Moon third quarter | Feb 4, 940 | |
| Waning crescent | from Feb 5, 940 to Feb 11, 940 |