| New moon | Feb 15, 1866 | |
| Waxing crescent | from Feb 16, 1866 to Feb 21, 1866 | |
| Moon first quarter | Feb 22, 1866 | |
| Growing moon | from Feb 23, 1866 to Feb 28, 1866 | |
| Full moon | Mar 1, 1866 | |
| Waning moon | from Mar 2, 1866 to Mar 8, 1866 | |
| Moon third quarter | Mar 9, 1866 | |
| Waning crescent | from Mar 10, 1866 to Mar 16, 1866 |
| New moon | Mar 17, 1866 | |
| Waxing crescent | from Mar 18, 1866 to Mar 22, 1866 | |
| Moon first quarter | Mar 23, 1866 | |
| Growing moon | from Mar 24, 1866 to Mar 30, 1866 | |
| Full moon | Mar 31, 1866 | |
| Waning moon | from Apr 1, 1866 to Apr 7, 1866 | |
| Moon third quarter | Apr 8, 1866 | |
| Waning crescent | from Apr 9, 1866 to Apr 14, 1866 |