| New moon | Mar 23, 977 | |
| Waxing crescent | from Mar 24, 977 to Mar 31, 977 | |
| Moon first quarter | Apr 1, 977 | |
| Growing moon | from Apr 2, 977 to Apr 6, 977 | |
| Full moon | Apr 7, 977 | |
| Waning moon | from Apr 8, 977 to Apr 13, 977 | |
| Moon third quarter | Apr 14, 977 | |
| Waning crescent | from Apr 15, 977 to Apr 21, 977 |
| New moon | Apr 22, 977 | |
| Waxing crescent | from Apr 23, 977 to Apr 29, 977 | |
| Moon first quarter | Apr 30, 977 | |
| Growing moon | from May 1, 977 to May 6, 977 | |
| Full moon | May 7, 977 | |
| Waning moon | from May 8, 977 to May 13, 977 | |
| Moon third quarter | May 14, 977 | |
| Waning crescent | from May 15, 977 to May 21, 977 |