Numerology Necklace 718kt YELLOW GOLD HANDSET WITH WHITE SAPPHIRES To find your special numerology you will need to add your date of birth for the date, month and year separately till you achieve a single digit. For example if you are born on the 8th of May 1983 your numerology calculation is as follows 0+8=8 (date), 0+5=5 (month) and 1+9+8+3=21==> 2+1=3 (year). You will need to add 8+5+3=16==> 1+6= 7.