In South India, Diwali is celebrated on Narak Chaturdashi Tithi which precedes the Amavasya. This year, Narak Chaturdashi and Amavasya will be observed on the same day as Diwali is celebrated on November 14. Here’s everything you need to know about how South Indians celebrate Diwali, the significance of Diwali 2020 celebration, and more.