| New moon | Jul 20, 977 | |
| Waxing crescent | from Jul 21, 977 to Jul 26, 977 | |
| Moon first quarter | Jul 27, 977 | |
| Growing moon | from Jul 28, 977 to Aug 2, 977 | |
| Full moon | Aug 3, 977 | |
| Waning moon | from Aug 4, 977 to Aug 10, 977 | |
| Moon third quarter | Aug 11, 977 | |
| Waning crescent | from Aug 12, 977 to Aug 17, 977 |
| New moon | Aug 18, 977 | |
| Waxing crescent | from Aug 19, 977 to Aug 24, 977 | |
| Moon first quarter | Aug 25, 977 | |
| Growing moon | from Aug 26, 977 to Aug 31, 977 | |
| Full moon | Sep 1, 977 | |
| Waning moon | from Sep 2, 977 to Sep 9, 977 | |
| Moon third quarter | Sep 10, 977 | |
| Waning crescent | from Sep 11, 977 to Sep 16, 977 |