Deepawali is on Nov 11 2015. Deepawali Puja Muhrut is after sunset. On Nov 11 2015 Laxmi puja should be after 8.30 PM. This is called prodash call. Start Puja with Ganesh Puja and then do Lakshmi Puja, Shri ram Puja, Om Jai jagdish Aarti.
Deepawali is combination of 5 festival - Dhanteras, Choti Diwali, Diwali, Govardhan Puja and Bhai Dooj. Buy new items on Dhanteras. visit Friends on Choti Diwali. Do Lakshmi Pooja on Badi Diwali. On Govardhan Puja - worship business areas. On Bhai Dooj sister put Tilak on Brother forehead
Tradition of Diyas started to welcome Lord Rama when he retruned with Laxman, Sita. The other reason to have Diyas and decorate house is to welcome Laxmi maata on Amavasya night.
Every home is full of Sweets on Diwali - barfi, kalakand, karachi halwa, Ladoo, Choclates etc. ..
Every house especially in North India gets Diyas. Diyas, Candles, Electrical lights, electrical candles make Deepawali colorful
Deepawali is time to give and receive gifts. Jwellery, electronic gadgets, clothes, fireworks are common gifts