| New moon | Apr 24, 551 | |
| Waxing crescent | from Apr 25, 551 to Apr 30, 551 | |
| Moon first quarter | May 1, 551 | |
| Growing moon | from May 2, 551 to May 6, 551 | |
| Full moon | May 7, 551 | |
| Waning moon | from May 8, 551 to May 14, 551 | |
| Moon third quarter | May 15, 551 | |
| Waning crescent | from May 16, 551 to May 22, 551 |
| New moon | May 23, 551 | |
| Waxing crescent | from May 24, 551 to May 29, 551 | |
| Moon first quarter | May 30, 551 | |
| Growing moon | from May 31, 551 to Jun 5, 551 | |
| Full moon | Jun 6, 551 | |
| Waning moon | from Jun 7, 551 to Jun 13, 551 | |
| Moon third quarter | Jun 14, 551 | |
| Waning crescent | from Jun 15, 551 to Jun 20, 551 |