December 2026 runs from Karthigai into Margazhi, which begins on Wednesday 16 December. Vaikunta Ekadasi falls on Sunday 20 December and Arudra Darisanam on Thursday 24 December, the day before Christmas.
Karthigai 15–29 covers December 1–15. It began on 17 November and has 29 days.
Margazhi 1–16 covers December 16–31. The month begins on Wednesday and has 30 days.
Parabhava (பராபவ), which began on Chithirai 1, 2026.
Each festival is marked with a dot on the calendar above, with its Tamil date.
| Date | Day | Festival | Type |
|---|---|---|---|
| 20 Dec மார்கழி 5 | Sunday ஞாயிறு | வைகுண்ட ஏகாதசி Vaikunta Ekadasi Paramapada Vasal opens at Srirangam and Vishnu temples. | Festival |
| 24 Dec மார்கழி 9 | Thursday வியாழன் | ஆருத்ரா தரிசனம் Arudra Darisanam Nataraja’s cosmic dance celebrated at Chidambaram. | Festival |
| 25 Dec மார்கழி 10 | Friday வெள்ளி | கிறிஸ்துமஸ் Christmas National holiday. | National holiday |
Margazhi is the month of early-morning kolams, Thiruppavai recitals and the Chennai music season. Many families avoid weddings and house-warmings in this month.
The Paramapada Vasal at Srirangam opens before dawn on Sunday 20 December. Expect long queues at Vishnu temples from the previous night.
Karthigai 15 to 29 runs from December 1 to December 15; Margazhi 1 to 16 runs from December 16 to December 31.
December 1, 2026 is Karthigai 15 (கார்த்திகை 15), a Tuesday (செவ்வாய்).
Margazhi (மார்கழி) begins on Wednesday, December 16, 2026 and lasts 30 days in Tamil calendars that follow the Vakya panchangam.
Vaikunta Ekadasi (வைகுண்ட ஏகாதசி) is on Sunday, December 20, 2026. Paramapada Vasal opens at Srirangam and Vishnu temples.
Arudra Darisanam (ஆருத்ரா தரிசனம்) is on Thursday, December 24, 2026. Nataraja’s cosmic dance celebrated at Chidambaram.
December 2026 falls in the Tamil year Parabhava (பராபவ).
November 2026 · December 2026 · January 2027 — or see the 2026 Tamil calendar and the December 2026 calendar with India's holidays.