According to astrological calculations based on classical texts like Dharma Sindhu and Nirnaya Sindhu, Diwali and Lakshmi Puja should be observed on Sunday, November 8, 2026.
The new Moon tithi (Amavasya) begins at 11:27 AM on November 8 and extends past midnight, satisfying the strict Pradosh Kaal requirement for the evening puja.
For New Delhi, the Lakshmi Puja muhurat is scheduled during Vrishabha Lagna from 5:54 PM to 7:50 PM on November 8.