Kali Chaudas 2026 will be observed on November 7. From the midnight puja muhurat to rituals and mythology, here's everything you need to know about the festival. Kali Chaudas 2026 falls on November 7. Check Ujjain Nishita Puja Muhurat, Chaturdashi Tithi, rituals, religious significance and Narak Chaturdashi differences. Kali Chaudas 2025: Kali Chaudas 2025, also known as Bhut Chaturdashi, is one of the most spiritually significant nights of the Diwali festival.