1st Day - The first day of Diwali is called Dhan Teras (Dhanvantari Triodas), and it marks the official beginning of the Diwali festivities. This day has great significance in many parts of India; people consider this as a very auspicious day and Muhurat.
On this day, Lord Dhanwantari is believed to have come out of the ocean with Ayurveda, the science of medicine, for the benefit of mankind. A huge amount of buying, specifically gold, silver and precious stones, ornaments, new clothes and utensils, takes placeis done on this day. In the evening, children light crackers, and people also light some earthen lamps outside their home. In some parts of India, like Gujarat, this day is religiously held even more important than the actual Deepawali day, and people hold Lakshmi, Kuber and Ganesha Pooja on this day.
2nd Day - The second day of Diwali week is called the Kali Chaudas or Narak Chaturdasi. In some parts of India, it is simply the Choti Diwali, the day before Diwali.
On this day Lord Krishna is known to have destroyed the demon Narakasur, freeing the world from fear. On this day, it is believed that one should massage the body with oil to relieve it of tiredness, bathe and rest, so that Diwali can be celebarated with vigour and devotion. It is also believed that one should not light diyas or step out on this day, and rather stay at home and relax.
3rd Day - The third day of these festivities is the actual Diwali/ Deepawali, when Goddess Lakshmi is worshipped, along with Lord Ganesha. People light diyas and candles in their homes, and the streets all across India light up with millions of sparklers, crackers and fairy lights.
4th Day - The fourth day is celebrated in various forms all across India. In the Western states of India like Gujarat this day is celebrated with great pomp and show as Bestu Baras, the New Year as per their Calendar. In Northern states of India, this day is widely celebrated as Govardhan Pooja and Vishwakarma Day, when people worship their instruments, arms and machinery. Most or all business establishments, thus, remain closed on this day. This day is also called as Annakut.
5th Day - The fifth day of Diwali festivities is celebrated as the Bhai Dooj or Bhai Teeka or Bhai Fota (In Bengal). Brothers visit their sisters on this day, and the sisters celebrate and prepare sweets specially in honour of their brothers, wishing a long, happy, healthy life and great success for them.
