When is Hanuman Puja observed and why?

Hanuman Puja will fall on November 7, a day before Diwali and is observed alongside Kali Chaudas. The Nishita Kaal muhurat for New Delhi is 11:39 pm–12:31 am. Devotees clean prayer spaces, light diyas, offer flowers and sweets, and recite Hanuman Chalisa. Lord Hanuman is worshipped for strength, courage and protection from negative energies.