The festival of Diwali is not only a big and significant time in India but also in the USA where XYZ Indian expats have been living. Due to differing time zones, time may vary but the date is mostly same in all states. It will be mostly celebrated on October 20. In Chicago Diwali will be celebrated on October 20. Traditionally, Diwali is celebrated on Amavasya Tithi, which this year will be continued till October 21 morning. In New York, Lakshmi Puja Muhurat will begin on October 20 from 7:17 pm to 8:45 pm.