| New moon | Dec 22, 838 | |
| Waxing crescent | from Dec 23, 838 to Dec 28, 838 | |
| Moon first quarter | Dec 29, 838 | |
| Growing moon | from Dec 30, 838 to Jan 4, 839 | |
| Full moon | Jan 5, 839 | |
| Waning moon | from Jan 6, 839 to Jan 12, 839 | |
| Moon third quarter | Jan 13, 839 | |
| Waning crescent | from Jan 14, 839 to Jan 20, 839 |
| New moon | Jan 21, 839 | |
| Waxing crescent | from Jan 22, 839 to Jan 26, 839 | |
| Moon first quarter | Jan 27, 839 | |
| Growing moon | from Jan 28, 839 to Feb 3, 839 | |
| Full moon | Feb 4, 839 | |
| Waning moon | from Feb 5, 839 to Feb 11, 839 | |
| Moon third quarter | Feb 12, 839 | |
| Waning crescent | from Feb 13, 839 to Feb 18, 839 |