| New moon | Oct 18, 1990 | |
| Waxing crescent | from Oct 19, 1990 to Oct 25, 1990 | |
| Moon first quarter | Oct 26, 1990 | |
| Growing moon | from Oct 27, 1990 to Nov 2, 1990 | |
| Full moon | Nov 3, 1990 | |
| Waning moon | from Nov 4, 1990 to Nov 8, 1990 | |
| Moon third quarter | Nov 9, 1990 | |
| Waning crescent | from Nov 10, 1990 to Nov 16, 1990 |
| New moon | Nov 17, 1990 | |
| Waxing crescent | from Nov 18, 1990 to Nov 24, 1990 | |
| Moon first quarter | Nov 25, 1990 | |
| Growing moon | from Nov 26, 1990 to Dec 1, 1990 | |
| Full moon | Dec 2, 1990 | |
| Waning moon | from Dec 3, 1990 to Dec 8, 1990 | |
| Moon third quarter | Dec 9, 1990 | |
| Waning crescent | from Dec 10, 1990 to Dec 16, 1990 |
| New moon | Dec 17, 1990 | |
| Waxing crescent | from Dec 18, 1990 to Dec 24, 1990 | |
| Moon first quarter | Dec 25, 1990 | |
| Growing moon | from Dec 26, 1990 to Dec 30, 1990 | |
| Full moon | Dec 31, 1990 | |
| Waning moon | from Jan 1, 1991 to Jan 6, 1991 | |
| Moon third quarter | Jan 7, 1991 | |
| Waning crescent | from Jan 8, 1991 to Jan 15, 1991 |