| New moon | Oct 12, 1920 | |
| Waxing crescent | from Oct 13, 1920 to Oct 19, 1920 | |
| Moon first quarter | Oct 20, 1920 | |
| Growing moon | from Oct 21, 1920 to Oct 26, 1920 | |
| Full moon | Oct 27, 1920 | |
| Waning moon | from Oct 28, 1920 to Nov 2, 1920 | |
| Moon third quarter | Nov 3, 1920 | |
| Waning crescent | from Nov 4, 1920 to Nov 9, 1920 |
| New moon | Nov 10, 1920 | |
| Waxing crescent | from Nov 11, 1920 to Nov 17, 1920 | |
| Moon first quarter | Nov 18, 1920 | |
| Growing moon | from Nov 19, 1920 to Nov 25, 1920 | |
| Full moon | Nov 26, 1920 | |
| Waning moon | from Nov 27, 1920 to Dec 1, 1920 | |
| Moon third quarter | Dec 2, 1920 | |
| Waning crescent | from Dec 3, 1920 to Dec 9, 1920 |
| New moon | Dec 10, 1920 | |
| Waxing crescent | from Dec 11, 1920 to Dec 17, 1920 | |
| Moon first quarter | Dec 18, 1920 | |
| Growing moon | from Dec 19, 1920 to Dec 24, 1920 | |
| Full moon | Dec 25, 1920 | |
| Waning moon | from Dec 26, 1920 to Dec 31, 1920 | |
| Moon third quarter | Jan 1, 1921 | |
| Waning crescent | from Jan 2, 1921 to Jan 8, 1921 |