Dhanteras, the 13th day of the Krishna Paksh, in Hindu 1 month of Kartik is the first day of parties. This day is intended for cash and purchasing new things for the home like digital products or eating utensils. There is pattern of purchasing new gold cash on this day which is used for Llaxmi Puja on the day of Diwali. The custom of illumination lights starts from this very day.
Five days of Diwali
Bhai Dooj event is recognized on 5th and last day of Diwali. Diwali is 5 day event and last day is known as Bhai dooj, , Bhaiya Dooj or Bhai Buj. Bhai indicates sibling and Dooj indicates second day after new celestial satellite. Bhai Dooj is just like Rakhi event. Identical to Rakhi - this is sibling and sibling event. On Rakhi sibling tie rakhi line on sibling side. On bhai Dooj, sibling put Tilak (red vermilion) and desires for longevity of her sibling. Brother present presents to sibling and promises to secure her sibling.