| New moon | Dec 9, 850 | |
| Waxing crescent | from Dec 10, 850 to Dec 16, 850 | |
| Moon first quarter | Dec 17, 850 | |
| Growing moon | from Dec 18, 850 to Dec 23, 850 | |
| Full moon | Dec 24, 850 | |
| Waning moon | from Dec 25, 850 to Dec 30, 850 | |
| Moon third quarter | Dec 31, 850 | |
| Waning crescent | from Jan 1, 851 to Jan 6, 851 |
| New moon | Jan 7, 851 | |
| Waxing crescent | from Jan 8, 851 to Jan 14, 851 | |
| Moon first quarter | Jan 15, 851 | |
| Growing moon | from Jan 16, 851 to Jan 21, 851 | |
| Full moon | Jan 22, 851 | |
| Waning moon | from Jan 23, 851 to Jan 28, 851 | |
| Moon third quarter | Jan 29, 851 | |
| Waning crescent | from Jan 30, 851 to Feb 5, 851 |