| New moon | Apr 30, 591 | |
| Waxing crescent | from May 1, 591 to May 7, 591 | |
| Moon first quarter | May 8, 591 | |
| Growing moon | from May 9, 591 to May 15, 591 | |
| Full moon | May 16, 591 | |
| Waning moon | from May 17, 591 to May 22, 591 | |
| Moon third quarter | May 23, 591 | |
| Waning crescent | from May 24, 591 to May 29, 591 |
| New moon | May 30, 591 | |
| Waxing crescent | from May 31, 591 to Jun 6, 591 | |
| Moon first quarter | Jun 7, 591 | |
| Growing moon | from Jun 8, 591 to Jun 13, 591 | |
| Full moon | Jun 14, 591 | |
| Waning moon | from Jun 15, 591 to Jun 20, 591 | |
| Moon third quarter | Jun 21, 591 | |
| Waning crescent | from Jun 22, 591 to Jun 27, 591 |
| New moon | Jun 28, 591 | |
| Waxing crescent | from Jun 29, 591 to Jul 5, 591 | |
| Moon first quarter | Jul 6, 591 | |
| Growing moon | from Jul 7, 591 to Jul 13, 591 | |
| Full moon | Jul 14, 591 | |
| Waning moon | from Jul 15, 591 to Jul 19, 591 | |
| Moon third quarter | Jul 20, 591 | |
| Waning crescent | from Jul 21, 591 to Jul 27, 591 |