This is the most auspicious period to do penance. The first three days/nights belongs to goddess Lakshmi. The second three days/nights belongs to goddess parvati and the last three days/nights belongs yo goddess saraswati. The tenth day is elebrated as vijayadasami. Upto 9 days, you strive on your sankalpa to taste the victory you need the blessings of the supreme power.
The number 9 has significant role in Hindu Calender. The total duration of Mahabharatha war is 18 days. There are navagrahas. If you count a rosary you'll find 108 beads.
In the match-making process,Navamsa should match between a bride and groom.
