If you were born on those dates of any month, means you are:

Archetype 1 : 1, 10, 19, 28

Archetype 2 : 2, 11, 20, 29

Archetype 3 : 3, 12, 21, 30

Archetype 4 : 4, 13, 22, 31

Archetype 5 : 5, 14, 23

Archetype 6 : 6, 15, 24

Archetype 7 : 7, 16, 25

Archetype 8 : 8, 17, 26

Archetype 9 : 9, 18, 27