| New moon | Dec 20, 640 | |
| Waxing crescent | from Dec 21, 640 to Dec 27, 640 | |
| Moon first quarter | Dec 28, 640 | |
| Growing moon | from Dec 29, 640 to Jan 4, 641 | |
| Full moon | Jan 5, 641 | |
| Waning moon | from Jan 6, 641 to Jan 11, 641 | |
| Moon third quarter | Jan 12, 641 | |
| Waning crescent | from Jan 13, 641 to Jan 17, 641 |
| New moon | Jan 18, 641 | |
| Waxing crescent | from Jan 19, 641 to Jan 25, 641 | |
| Moon first quarter | Jan 26, 641 | |
| Growing moon | from Jan 27, 641 to Feb 2, 641 | |
| Full moon | Feb 3, 641 | |
| Waning moon | from Feb 4, 641 to Feb 9, 641 | |
| Moon third quarter | Feb 10, 641 | |
| Waning crescent | from Feb 11, 641 to Feb 16, 641 |