| New moon | Apr 18, 980 | |
| Waxing crescent | from Apr 19, 980 to Apr 25, 980 | |
| Moon first quarter | Apr 26, 980 | |
| Growing moon | from Apr 27, 980 to May 3, 980 | |
| Full moon | May 4, 980 | |
| Waning moon | from May 5, 980 to May 10, 980 | |
| Moon third quarter | May 11, 980 | |
| Waning crescent | from May 12, 980 to May 17, 980 |
| New moon | May 18, 980 | |
| Waxing crescent | from May 19, 980 to May 25, 980 | |
| Moon first quarter | May 26, 980 | |
| Growing moon | from May 27, 980 to Jun 2, 980 | |
| Full moon | Jun 3, 980 | |
| Waning moon | from Jun 4, 980 to Jun 8, 980 | |
| Moon third quarter | Jun 9, 980 | |
| Waning crescent | from Jun 10, 980 to Jun 15, 980 |