Dates of important upcoming festivals and fasting associated with Hinduism in December 2026 – based on major Hindu calendars and Panchang used in India. The festivals, Vrats and ritual days are based on Indian Standard Time (IST).
December 1 – Kal Bhairav Ashtami - Kal Bhairav Jayanti
December 4 – Utpanna Ekadashi Vrat
December 4 – Triprayar Ekadashi in Kerala
December 6 – Som Pradosh Vrat as its Monday
December 6 – Shiv Chaturdashi Vrat – Monthly Shivratri
Fasting
December 8 – Amavasya – No moon day
December 9 – Margashirsh month begins in Maharashtra,
Gujarat, Andhra Pradesh, Telangana, Karnataka and Goa
December 14 – Vivah Panchami
December 15 – Monthly Muruga Sashti Fasting
December 15 – Skanda Sashti North India – Champa Shashti
Maharashtra - Subramanya Sashti in Karnataka
December 16 – Mitra Surya Saptami
December 16 – Kharmas begins in North India
December 16 – Dhanu Sankranti at 8:06 PM
December 16 – Dhanur Masam begins
December 17 – Dhanu Masam begins in Malayalam Calendars
December 17 – Margazhi Masam begins in Tamil Calendars
December 17 – Mahananda Navami – Kalpadi Navami
December 18 – Paush month begins in Bengali Calendars
December 20 – Mokshada Ekadasi Vrat
December 20 – Geeta Jayanti
December 21 – Matsya Dwadashi
December 21 – Som Pradosh Vrat
December 22 – Hanuman Vratham in Karnataka
December 22 – Pishach Mochan shradh
December 23 – Purnima Vrat and Purnima in western parts of
India
December 23 – Datta Jayanti
December 24 – Snan Daan Purnima – full moon day in certain
regions
December 24 – Arudara Darisanam – Thiruvathira
December 26 – Sankashti Ganesh Chaturthi Vrat – Moonrise
time at 8:40 PM
December 27 – Sabarimala Mandala Pooja
December 30 – Kalashtami
December 31 – Rukmini Ashtami