Kali Puja, also known as Shyama Puja, is observed on the new-moon night of Kartik Amavasya, coinciding with Diwali. In 2026, it falls on Sunday, November 8; the Amavasya tithi begins at about 11:27–11:28 AM on November 8 and ends around 12:31–12:32 PM on November 9.

