Diwali (Deepavali)

Diwali is fixed to the darkest night of the Kartik month, not to a solar date — which is why it moves between mid-October and mid-November each year. The date below is computed from the Moon's actual position against the Sun, and the pradosh rule is applied rather than the simpler sunrise rule, because amavasya frequently begins or ends during the day.

Dates are computed against sunrise at Delhi. Sunrise and moonrise shift by city, so check your own city's panchang for local timings. Panchang