| New moon | Mar 21, 866 | |
| Waxing crescent | from Mar 22, 866 to Mar 27, 866 | |
| Moon first quarter | Mar 28, 866 | |
| Growing moon | from Mar 29, 866 to Apr 4, 866 | |
| Full moon | Apr 5, 866 | |
| Waning moon | from Apr 6, 866 to Apr 12, 866 | |
| Moon third quarter | Apr 13, 866 | |
| Waning crescent | from Apr 14, 866 to Apr 19, 866 |
| 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 |