3

Add to this number your birthday ( ex. : 3 janvier 1919 = 831 + 3 = Bio 834 ). Born after 21 hours, add 1.
If your result is superior to 924: deduct this number ( Example: 27 février 1952 = 903 + 27 = 930 - 924 = Bio 006).

remember your N ° bio and see: Agreement of the biologic cycles