Which system is used?
Grahavani uses the Indian numerology tradition: each number from 1 to 9 belongs to a planet (1 Sun, 2 Moon, 3 Jupiter, 4 Rahu, 5 Mercury, 6 Venus, 7 Ketu, 8 Saturn, 9 Mars). Names are counted with the Chaldean letter values, the method most used in India.