- Jan 1 Pausha Putrada Ekadashi Festival
- Jan 3 Shukla Pradosh Vrat Festival
- Jan 5 Purnima Vrat Festival
- Jan 9 Sakat Chauth Festival
- Jan 9 Sankashti Chaturthi Festival
- Jan 16 Makar Sankranti Festival
- Jan 16 Thai Pongal Festival
- Jan 16 Vijaya Ekadashi Festival
- Jan 17 Makar Sankranti Festival
- Jan 17 Thai Pongal Festival
- Jan 18 Makar Sankranti Festival
- Jan 18 Thai Pongal Festival
- Jan 18 Krishna Pradosh Vrat Festival
- Jan 18 Masik Shivaratri Festival
- Jan 19 Makar Sankranti Festival
- Jan 19 Thai Pongal Festival
- Jan 20 Makar Sankranti Festival
- Jan 20 Thai Pongal Festival
- Jan 23 Vinayaka Chaturthi Festival
- Jan 24 Vasant Panchami Festival
- Jan 26 Republic Day Festival
- Jan 26 Ratha Saptami Festival
- Jan 27 Bhishma Ashtami Festival
- Jan 31 Jaya Ekadashi Festival
- Feb 2 Shukla Pradosh Vrat Festival
- Feb 4 Purnima Vrat Festival
- Feb 8 Sankashti Chaturthi Festival
- Feb 14 Kumbha Sankranti Festival
- Feb 14 Papamochani Ekadashi Festival
- Feb 15 Kumbha Sankranti Festival
- Feb 16 Maha Shivaratri Festival
- Feb 16 Krishna Pradosh Vrat Festival
- Feb 16 Kumbha Sankranti Festival
- Feb 16 Masik Shivaratri Festival
- Feb 17 Kumbha Sankranti Festival
- Feb 18 Amavasya Festival
- Feb 18 Kumbha Sankranti Festival
- Feb 22 Vinayaka Chaturthi Festival
- Mar 2 Amalaki Ekadashi Festival
- Mar 4 Shukla Pradosh Vrat Festival
- Mar 5 Holi Festival
- Mar 5 Holika Dahan Festival
- Mar 6 Purnima Vrat Festival
- Mar 9 Sankashti Chaturthi Festival
- Mar 13 Sheetala Ashtami Festival
- Mar 16 Meena Sankranti Festival
- Mar 16 Varuthini Ekadashi Festival
- Mar 17 Meena Sankranti Festival
- Mar 18 Krishna Pradosh Vrat Festival
- Mar 18 Masik Shivaratri Festival
- Mar 18 Meena Sankranti Festival
- Mar 19 Meena Sankranti Festival
- Mar 20 Amavasya Festival
- Mar 20 Meena Sankranti Festival
- Mar 21 Chaitra Navratri Festival
- Mar 21 Gudi Padwa Festival
- Mar 21 Ugadi Festival
- Mar 23 Gangaur Festival
- Mar 24 Vinayaka Chaturthi Festival
- Mar 26 Yamuna Chhath Festival
- Mar 29 Ram Navami Festival
- Mar 29 Swaminarayan Jayanti Festival
- Mar 31 Kamada Ekadashi Festival
- Apr 2 Shukla Pradosh Vrat Festival
- Apr 4 Hanuman Jayanti Festival
- Apr 4 Purnima Vrat Festival
- Apr 8 Sankashti Chaturthi Festival
- Apr 14 Apara Ekadashi Festival
- Apr 16 Mesha Sankranti Festival
- Apr 16 Krishna Pradosh Vrat Festival
- Apr 16 Masik Shivaratri Festival
- Apr 17 Mesha Sankranti Festival
- Apr 18 Mesha Sankranti Festival
- Apr 18 Amavasya Festival
- Apr 19 Mesha Sankranti Festival
- Apr 20 Mesha Sankranti Festival
- Apr 21 Akshaya Tritiya Festival
- Apr 21 Parashurama Jayanti Festival
- Apr 22 Parashurama Jayanti Festival
- Apr 23 Vinayaka Chaturthi Festival
- Apr 26 Ganga Saptami Festival
- Apr 28 Sita Navami Festival
- Apr 30 Mohini Ekadashi Festival
- May 2 Narasimha Jayanti Festival
- May 2 Shukla Pradosh Vrat Festival
- May 4 Narada Jayanti Festival
- May 7 Sankashti Chaturthi Festival
- May 14 Yogini Ekadashi Festival
- May 16 Krishna Pradosh Vrat Festival
- May 16 Masik Shivaratri Festival
- May 17 Vrishabha Sankranti Festival
- May 18 Vat Savitri Vrat Festival
- May 18 Amavasya Festival
- May 18 Shani Jayanti Festival
- May 18 Vrishabha Sankranti Festival
- May 19 Vrishabha Sankranti Festival
- May 20 Vrishabha Sankranti Festival
- May 21 Vrishabha Sankranti Festival
- May 22 Vinayaka Chaturthi Festival
- May 29 Nirjala Ekadashi Festival
- May 31 Shukla Pradosh Vrat Festival
- Jun 2 Vat Purnima Vrat Festival
- Jun 2 Purnima Vrat Festival
- Jun 5 Sankashti Chaturthi Festival
- Jun 12 Kamika Ekadashi Festival
- Jun 14 Krishna Pradosh Vrat Festival
- Jun 15 Masik Shivaratri Festival
- Jun 16 Amavasya Festival
- Jun 17 Amavasya Festival
- Jun 17 Mithuna Sankranti Festival
- Jun 18 Mithuna Sankranti Festival
- Jun 19 Jagannath Rathyatra Festival
- Jun 19 Mithuna Sankranti Festival
- Jun 20 Mithuna Sankranti Festival
- Jun 21 Mithuna Sankranti Festival
- Jun 21 Vinayaka Chaturthi Festival
- Jun 28 Devshayani Ekadashi Festival
- Jul 1 Guru Purnima Festival
- Jul 1 Purnima Vrat Festival
- Jul 5 Sankashti Chaturthi Festival
- Jul 12 Aja Ekadashi Festival
- Jul 14 Krishna Pradosh Vrat Festival
- Jul 14 Masik Shivaratri Festival
- Jul 16 Amavasya Festival
- Jul 18 Jagannath Rathyatra Festival
- Jul 18 Karka Sankranti Festival
- Jul 19 Karka Sankranti Festival
- Jul 20 Karka Sankranti Festival
- Jul 20 Vinayaka Chaturthi Festival
- Jul 21 Karka Sankranti Festival
- Jul 22 Karka Sankranti Festival
- Jul 23 Karka Sankranti Festival
- Jul 27 Devshayani Ekadashi Festival
- Jul 29 Shukla Pradosh Vrat Festival
- Aug 3 Sankashti Chaturthi Festival
- Aug 10 Aja Ekadashi Festival
- Aug 13 Krishna Pradosh Vrat Festival
- Aug 13 Masik Shivaratri Festival
- Aug 15 Independence Day Festival
- Aug 15 Amavasya Festival
- Aug 18 Hariyali Teej Festival
- Aug 19 Simha Sankranti Festival
- Aug 19 Vinayaka Chaturthi Festival
- Aug 20 Nag Panchami Festival
- Aug 20 Simha Sankranti Festival
- Aug 21 Simha Sankranti Festival
- Aug 22 Simha Sankranti Festival
- Aug 23 Simha Sankranti Festival
- Aug 25 Shravana Putrada Ekadashi Festival
- Aug 27 Shukla Pradosh Vrat Festival
- Aug 29 Raksha Bandhan Festival
- Aug 29 Gayatri Jayanti Festival
- Aug 29 Purnima Vrat Festival
- Sep 1 Kajari Teej Festival
- Sep 2 Sankashti Chaturthi Festival
- Sep 9 Indira Ekadashi Festival
- Sep 11 Krishna Pradosh Vrat Festival
- Sep 12 Masik Shivaratri Festival
- Sep 13 Amavasya Festival
- Sep 16 Hartalika Teej Festival
- Sep 17 Ganesh Chaturthi Festival
- Sep 17 Vinayaka Chaturthi Festival
- Sep 18 Rishi Panchami Festival
- Sep 19 Balarama Jayanti Festival
- Sep 19 Kanya Sankranti Festival
- Sep 20 Kanya Sankranti Festival
- Sep 21 Radha Ashtami Festival
- Sep 21 Kanya Sankranti Festival
- Sep 22 Kanya Sankranti Festival
- Sep 23 Kanya Sankranti Festival
- Sep 23 Parsva Ekadashi Festival
- Sep 25 Shukla Pradosh Vrat Festival
- Sep 26 Anant Chaturdashi Festival
- Sep 27 Purnima Vrat Festival
- Sep 28 Pitrupaksha Festival
- Oct 1 Sankashti Chaturthi Festival
- Oct 2 Gandhi Jayanti Festival
- Oct 9 Rama Ekadashi Festival
- Oct 11 Krishna Pradosh Vrat Festival
- Oct 11 Masik Shivaratri Festival
- Oct 13 Sarva Pitru Amavasya Festival
- Oct 13 Amavasya Festival
- Oct 14 Sharad Navratri Festival
- Oct 16 Vinayaka Chaturthi Festival
- Oct 19 Tula Sankranti Festival
- Oct 20 Durga Ashtami Festival
- Oct 20 Tula Sankranti Festival
- Oct 21 Maha Navami Festival
- Oct 21 Tula Sankranti Festival
- Oct 22 Tula Sankranti Festival
- Oct 23 Papankusha Ekadashi Festival
- Oct 23 Tula Sankranti Festival
- Oct 25 Shukla Pradosh Vrat Festival
- Oct 27 Sharad Purnima Festival
- Oct 27 Purnima Vrat Festival
- Oct 31 Karva Chauth Festival
- Oct 31 Sankashti Chaturthi Festival
- Nov 4 Ahoi Ashtami Festival
- Nov 8 Utpanna Ekadashi Festival
- Nov 9 Dhanteras Festival
- Nov 9 Krishna Pradosh Vrat Festival
- Nov 10 Narak Chaturdashi Festival
- Nov 10 Masik Shivaratri Festival
- Nov 11 Diwali Festival
- Nov 11 Amavasya Festival
- Nov 12 Govardhan Puja Festival
- Nov 13 Bhaiya Dooj Festival
- Nov 15 Vinayaka Chaturthi Festival
- Nov 16 Chhath Puja Festival
- Nov 18 Vrishchika Sankranti Festival
- Nov 19 Vrishchika Sankranti Festival
- Nov 20 Kansa Vadh Festival
- Nov 20 Vrishchika Sankranti Festival
- Nov 21 Devutthana Ekadashi Festival
- Nov 21 Vrishchika Sankranti Festival
- Nov 22 Tulasi Vivah Festival
- Nov 22 Vrishchika Sankranti Festival
- Nov 23 Shukla Pradosh Vrat Festival
- Nov 25 Purnima Vrat Festival
- Nov 30 Sankashti Chaturthi Festival
- Dec 3 Kalabhairav Jayanti Festival
- Dec 7 Saphala Ekadashi Festival
- Dec 9 Krishna Pradosh Vrat Festival
- Dec 9 Masik Shivaratri Festival
- Dec 11 Amavasya Festival
- Dec 14 Vinayaka Chaturthi Festival
- Dec 15 Vivah Panchami Festival
- Dec 18 Dhanu Sankranti Festival
- Dec 19 Dhanu Sankranti Festival
- Dec 20 Dhanu Sankranti Festival
- Dec 21 Gita Jayanti Festival
- Dec 21 Mokshada Ekadashi Festival
- Dec 21 Dhanu Sankranti Festival
- Dec 22 Dhanu Sankranti Festival
- Dec 23 Shukla Pradosh Vrat Festival
- Dec 25 Dattatreya Jayanti Festival
- Dec 25 Purnima Vrat Festival
- Dec 30 Sankashti Chaturthi Festival
📖 About the Tamil Calendar
Frequently Asked Questions
Which Tamil festivals always fall on the same Gregorian date every year?
Solar-anchored Tamil festivals repeat within a day or two of a fixed Gregorian date because they are tied to the Sun's transit into a zodiac sign (sankranti). Puthandu, the Tamil New Year, always falls on Chithirai 1 — April 14 (occasionally April 13 in a Gregorian leap year). Pongal always falls on Thai 1 — January 14 (occasionally January 15). Aadi Perukku always falls on Aadi 18 — approximately August 3 or 4. All three are solar, so they are essentially fixed. Nakshatra-anchored festivals shift annually: Vaikasi Visakam, Vaikuntha Ekadasi, Karthigai Deepam, Thai Poosam, Maasi Magam, and Panguni Uthiram depend on when the moon reaches a specific nakshatra within the solar month, so the Gregorian date varies by up to two weeks from year to year.
What is Aadi Perukku and why is it celebrated on Aadi 18?
Aadi Perukku — also written Aadi Pathinettam Perukku — falls on the 18th day of the Tamil solar month Aadi, typically August 3 or 4. 'Perukku' means overflow or rising, and the festival marks the peak of the monsoon when Tamil rivers — the Cauvery, Vaigai, and Tamraparni — are in full flood. Devotees worship at riverbanks, offer puja to the waters, and pray for continued rains and agricultural abundance. Tamil women wear new clothes, prepare nine-grain rice (kama arisi), and visit riversides or water bodies. Major puja spots include Cauvery ghats at Tiruchirappalli and Kumbakonam, and the Vaigai banks at Madurai. The 18th day was likely chosen as the traditional peak of monsoon water levels in the Cauvery basin. The festival is specific to Tamil tradition — it does not have a direct equivalent in Telugu or Kannada calendars, though Bonalu in Telangana shares a general monsoon-season goddess-worship character.
How does the Margazhi Music Season relate to the Tamil calendar?
The Madras Music Season is a deliberate alignment with Margazhi's devotional intensity. Carnatic music sabhas in Mylapore, Triplicane, T Nagar, and Alwarpet run hundreds of concerts through December and into early January — the full span of Tamil month Margazhi. The season is effectively the Carnatic calendar's annual festival, with top performers and young artists all presenting during these weeks. The connection to Margazhi is theological: classical Carnatic music grew from the Bhakti movement and its temple music tradition, and Margazhi is when that devotional energy is highest. Temple concerts, divya prabandham recitations, and sabha performances all occur within the same window. Vaikuntha Ekadasi during Margazhi — when Srirangam's Paramapada Vaasal is opened — is the single largest gathering in the Tamil Vaishnava year. The latest sunrise of the Tamil year also falls in Margazhi, which is why pre-dawn devotional slots (4-6 AM) are routinely filled in this month.
What is the difference between Tamil and Telugu or Kannada calendars?
All three calendars share the same sixty-year name cycle, use Lahiri ayanamsa, and interweave solar and lunar elements — but the month-naming system diverges. Tamil uses solar months: Chithirai through Panguni, named for the rashi the Sun occupies. Telugu and Kannada use lunar months: Chaitra, Vaisakha, Jyaistha, Ashadha, Shravana, Bhadrapada, Ashvina, Kartika, Margashirsha, Pausha, Magha, Phalguna — the same names as the Hindu Amanta calendar. Telugu and Kannada New Years (Ugadi / Yugadi) fall on Chaitra Shukla Pratipada, the lunar new moon of Chaitra — typically late March or early April, varying by the lunar cycle. Tamil New Year (Puthandu) falls on Chithirai 1 — the fixed solar Mesha sankranti, April 14 — a different anchor entirely. A festival like Vinayaka Chaturthi is observed in all three traditions but called by different names and framed by different month labels.
Why is the year called Vishvavasu in 2026?
Tamil years cycle through sixty Sanskrit names — a system shared with Kannada, Telugu, and to some extent the broader South Indian astrological tradition. The sixty names in sequence are Prabhava, Vibhava, Shukla, Pramoda, Prajapati, Angirasa, Shrimukha, Bhava, Yuva, Dhatri … and so on to the sixtieth, Kshaya, after which the cycle restarts from Prabhava. Vishvavasu is the forty-second year in this sequence. The Tamil year 2026-2027 is Vishvavasu because that is where the cycle lands; it began at Mesha sankranti on April 14, 2026 and will end at Mesha sankranti on April 14, 2027. The year that follows will be Parabhava (the forty-third). The previous occurrence of Vishvavasu was 1965-1966; the next will be 2086-2087. This sixty-year cycle is entirely distinct from Vikram Samvat, which counts continuously.
When is Karthigai Deepam in 2026 and what happens at Tiruvannamalai?
Karthigai Deepam falls on the Krittika nakshatra day closest to the full moon of Tamil month Karthigai — typically in late November or early December. In 2026 it falls in late November. Across Tamil Nadu, households light rows of clay oil lamps (vilakku) at dusk, placed along compound walls, doorsteps, and windowsills, creating an avenue of light. At Tiruvannamalai in the Arunachala hill country, the Mahadeepam — a giant oil lamp flame — is lit on the summit of Arunachala mountain to mark the moment of Krittika nakshatra on the full moon night. Pilgrims circumambulate the mountain (the 14-km Girivalam) through the night. The theological significance at Tiruvannamalai is distinct from Diwali (which is Kartika Amavasya, a month earlier): Karthigai Deepam commemorates Shiva's manifestation as an infinite pillar of light (the Jyotirlinga). The Chidambaram and Thiruvannamalai temples both hold major deepam festivals on this day.