| New moon | Apr 20, 866 | |
| Waxing crescent | from Apr 21, 866 to Apr 26, 866 | |
| Moon first quarter | Apr 27, 866 | |
| Growing moon | from Apr 28, 866 to May 4, 866 | |
| Full moon | May 5, 866 | |
| Waning moon | from May 6, 866 to May 11, 866 | |
| Moon third quarter | May 12, 866 | |
| Waning crescent | from May 13, 866 to May 18, 866 |
| New moon | May 19, 866 | |
| Waxing crescent | from May 20, 866 to May 25, 866 | |
| Moon first quarter | May 26, 866 | |
| Growing moon | from May 27, 866 to Jun 3, 866 | |
| Full moon | Jun 4, 866 | |
| Waning moon | from Jun 5, 866 to Jun 10, 866 | |
| Moon third quarter | Jun 11, 866 | |
| Waning crescent | from Jun 12, 866 to Jun 16, 866 |