| 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 |
| New moon | Jun 17, 866 | |
| Waxing crescent | from Jun 18, 866 to Jun 24, 866 | |
| Moon first quarter | Jun 25, 866 | |
| Growing moon | from Jun 26, 866 to Jul 2, 866 | |
| Full moon | Jul 3, 866 | |
| Waning moon | from Jul 4, 866 to Jul 9, 866 | |
| Moon third quarter | Jul 10, 866 | |
| Waning crescent | from Jul 11, 866 to Jul 16, 866 |