- Jan 10 Vijaya Ekadashi Festival
- Jan 12 Krishna Pradosh Vrat Festival
- Jan 12 Masik Shivaratri Festival
- Jan 13 Makar Sankranti Festival
- Jan 13 Thai Pongal Festival
- Jan 14 Makar Sankranti Festival
- Jan 14 Mauni Amavas Festival
- Jan 14 Thai Pongal Festival
- Jan 14 Amavasya Festival
- Jan 15 Makar Sankranti Festival
- Jan 15 Thai Pongal Festival
- Jan 16 Makar Sankranti Festival
- Jan 16 Thai Pongal Festival
- Jan 17 Makar Sankranti Festival
- Jan 17 Thai Pongal Festival
- Jan 18 Vinayaka Chaturthi Festival
- Jan 19 Vasant Panchami Festival
- Jan 21 Ratha Saptami Festival
- Jan 22 Ratha Saptami Festival
- Jan 23 Bhishma Ashtami Festival
- Jan 26 Republic Day Festival
- Jan 26 Jaya Ekadashi Festival
- Jan 28 Shukla Pradosh Vrat Festival
- Jan 29 Purnima Vrat Festival
- Feb 2 Sankashti Chaturthi Festival
- Feb 8 Papamochani Ekadashi Festival
- Feb 10 Krishna Pradosh Vrat Festival
- Feb 11 Maha Shivaratri Festival
- Feb 11 Krishna Pradosh Vrat Festival
- Feb 11 Masik Shivaratri Festival
- Feb 12 Kumbha Sankranti Festival
- Feb 13 Amavasya Festival
- Feb 13 Kumbha Sankranti Festival
- Feb 14 Kumbha Sankranti Festival
- Feb 15 Kumbha Sankranti Festival
- Feb 16 Kumbha Sankranti Festival
- Feb 17 Vinayaka Chaturthi Festival
- Feb 24 Amalaki Ekadashi Festival
- Feb 26 Shukla Pradosh Vrat Festival
- Feb 27 Holi Festival
- Feb 27 Holika Dahan Festival
- Feb 28 Purnima Vrat Festival
- Mar 2 Sankashti Chaturthi Festival
- Mar 6 Sheetala Ashtami Festival
- Mar 9 Varuthini Ekadashi Festival
- Mar 11 Krishna Pradosh Vrat Festival
- Mar 11 Masik Shivaratri Festival
- Mar 12 Masik Shivaratri Festival
- Mar 12 Meena Sankranti Festival
- Mar 13 Amavasya Festival
- Mar 13 Meena Sankranti Festival
- Mar 14 Chaitra Navratri Festival
- Mar 14 Gudi Padwa Festival
- Mar 14 Ugadi Festival
- Mar 14 Meena Sankranti Festival
- Mar 15 Chaitra Navratri Festival
- Mar 15 Gudi Padwa Festival
- Mar 15 Ugadi Festival
- Mar 15 Meena Sankranti Festival
- Mar 16 Meena Sankranti Festival
- Mar 17 Gangaur Festival
- Mar 17 Meena Sankranti Festival
- Mar 18 Vinayaka Chaturthi Festival
- Mar 20 Yamuna Chhath Festival
- Mar 23 Ram Navami Festival
- Mar 23 Swaminarayan Jayanti Festival
- Mar 25 Kamada Ekadashi Festival
- Mar 27 Shukla Pradosh Vrat Festival
- Mar 28 Hanuman Jayanti Festival
- Mar 28 Purnima Vrat Festival
- Apr 1 Sankashti Chaturthi Festival
- Apr 8 Apara Ekadashi Festival
- Apr 10 Krishna Pradosh Vrat Festival
- Apr 10 Masik Shivaratri Festival
- Apr 12 Mesha Sankranti Festival
- Apr 12 Amavasya Festival
- Apr 13 Mesha Sankranti Festival
- Apr 14 Mesha Sankranti Festival
- Apr 15 Akshaya Tritiya Festival
- Apr 15 Mesha Sankranti Festival
- Apr 15 Parashurama Jayanti Festival
- Apr 16 Mesha Sankranti Festival
- Apr 16 Vinayaka Chaturthi Festival
- Apr 17 Vinayaka Chaturthi Festival
- Apr 20 Ganga Saptami Festival
- Apr 21 Sita Navami Festival
- Apr 23 Mohini Ekadashi Festival
- Apr 25 Narasimha Jayanti Festival
- Apr 25 Shukla Pradosh Vrat Festival
- Apr 27 Buddha Purnima Festival
- Apr 27 Purnima Vrat Festival
- Apr 30 Sankashti Chaturthi Festival
- May 7 Yogini Ekadashi Festival
- May 8 Yogini Ekadashi Festival
- May 10 Krishna Pradosh Vrat Festival
- May 10 Masik Shivaratri Festival
- May 12 Vat Savitri Vrat Festival
- May 12 Amavasya Festival
- May 12 Shani Jayanti Festival
- May 13 Vrishabha Sankranti Festival
- May 14 Vrishabha Sankranti Festival
- May 15 Vrishabha Sankranti Festival
- May 16 Vinayaka Chaturthi Festival
- May 16 Vrishabha Sankranti Festival
- May 17 Vrishabha Sankranti Festival
- May 22 Ganga Dussehra Festival
- May 24 Shukla Pradosh Vrat Festival
- May 26 Vat Purnima Vrat Festival
- May 26 Purnima Vrat Festival
- May 30 Sankashti Chaturthi Festival
- Jun 6 Kamika Ekadashi Festival
- Jun 8 Krishna Pradosh Vrat Festival
- Jun 9 Masik Shivaratri Festival
- Jun 10 Amavasya Festival
- Jun 13 Mithuna Sankranti Festival
- Jun 14 Mithuna Sankranti Festival
- Jun 14 Vinayaka Chaturthi Festival
- Jun 15 Mithuna Sankranti Festival
- Jun 16 Mithuna Sankranti Festival
- Jun 17 Mithuna Sankranti Festival
- Jun 20 Ganga Dussehra Festival
- Jun 21 Nirjala Ekadashi Festival
- Jun 23 Shukla Pradosh Vrat Festival
- Jun 24 Vat Purnima Vrat Festival
- Jun 24 Purnima Vrat Festival
- Jun 28 Sankashti Chaturthi Festival
- Jul 6 Kamika Ekadashi Festival
- Jul 8 Krishna Pradosh Vrat Festival
- Jul 8 Masik Shivaratri Festival
- Jul 10 Amavasya Festival
- Jul 12 Jagannath Rathyatra Festival
- Jul 14 Vinayaka Chaturthi Festival
- Jul 15 Karka Sankranti Festival
- Jul 16 Karka Sankranti Festival
- Jul 17 Karka Sankranti Festival
- Jul 18 Karka Sankranti Festival
- Jul 19 Karka Sankranti Festival
- Jul 20 Devshayani Ekadashi Festival
- Jul 22 Shukla Pradosh Vrat Festival
- Jul 24 Guru Purnima Festival
- Jul 24 Purnima Vrat Festival
- Jul 28 Sankashti Chaturthi Festival
- Aug 4 Aja Ekadashi Festival
- Aug 6 Krishna Pradosh Vrat Festival
- Aug 7 Masik Shivaratri Festival
- Aug 8 Amavasya Festival
- Aug 11 Hariyali Teej Festival
- Aug 12 Vinayaka Chaturthi Festival
- Aug 13 Nag Panchami Festival
- Aug 15 Independence Day Festival
- Aug 15 Simha Sankranti Festival
- Aug 16 Simha Sankranti Festival
- Aug 17 Simha Sankranti Festival
- Aug 18 Shravana Putrada Ekadashi Festival
- Aug 18 Simha Sankranti Festival
- Aug 19 Simha Sankranti Festival
- Aug 20 Shukla Pradosh Vrat Festival
- Aug 22 Raksha Bandhan Festival
- Aug 22 Gayatri Jayanti Festival
- Aug 22 Purnima Vrat Festival
- Aug 25 Kajari Teej Festival
- Aug 26 Kajari Teej Festival
- Aug 27 Sankashti Chaturthi Festival
- Sep 3 Indira Ekadashi Festival
- Sep 5 Krishna Pradosh Vrat Festival
- Sep 5 Masik Shivaratri Festival
- Sep 7 Amavasya Festival
- Sep 9 Hartalika Teej Festival
- Sep 10 Ganesh Chaturthi Festival
- Sep 10 Vinayaka Chaturthi Festival
- Sep 11 Rishi Panchami Festival
- Sep 12 Balarama Jayanti Festival
- Sep 14 Radha Ashtami Festival
- Sep 15 Kanya Sankranti Festival
- Sep 16 Kanya Sankranti Festival
- Sep 17 Kanya Sankranti Festival
- Sep 17 Parsva Ekadashi Festival
- Sep 18 Kanya Sankranti Festival
- Sep 19 Kanya Sankranti Festival
- Sep 19 Shukla Pradosh Vrat Festival
- Sep 20 Anant Chaturdashi Festival
- Sep 21 Purnima Vrat Festival
- Sep 22 Pitrupaksha Festival
- Sep 25 Sankashti Chaturthi Festival
- Oct 2 Gandhi Jayanti Festival
- Oct 4 Krishna Pradosh Vrat Festival
- Oct 6 Sarva Pitru Amavasya Festival
- Oct 6 Amavasya Festival
- Oct 7 Sharad Navratri Festival
- Oct 9 Vinayaka Chaturthi Festival
- Oct 13 Durga Ashtami Festival
- Oct 14 Maha Navami Festival
- Oct 15 Dussehra Festival
- Oct 15 Tula Sankranti Festival
- Oct 16 Papankusha Ekadashi Festival
- Oct 16 Tula Sankranti Festival
- Oct 17 Tula Sankranti Festival
- Oct 18 Shukla Pradosh Vrat Festival
- Oct 18 Tula Sankranti Festival
- Oct 19 Tula Sankranti Festival
- Oct 21 Sharad Purnima Festival
- Oct 21 Purnima Vrat Festival
- Oct 25 Karva Chauth Festival
- Oct 25 Sankashti Chaturthi Festival
- Oct 29 Ahoi Ashtami Festival
- Nov 1 Utpanna Ekadashi Festival
- Nov 2 Dhanteras Festival
- Nov 2 Govatsa Dwadashi Festival
- Nov 3 Narak Chaturdashi Festival
- Nov 3 Krishna Pradosh Vrat Festival
- Nov 3 Masik Shivaratri Festival
- Nov 4 Diwali Festival
- Nov 4 Amavasya Festival
- Nov 5 Govardhan Puja Festival
- Nov 6 Bhaiya Dooj Festival
- Nov 8 Vinayaka Chaturthi Festival
- Nov 10 Chhath Puja Festival
- Nov 14 Kansa Vadh Festival
- Nov 14 Vrishchika Sankranti Festival
- Nov 15 Devutthana Ekadashi Festival
- Nov 15 Vrishchika Sankranti Festival
- Nov 16 Tulasi Vivah Festival
- Nov 16 Vrishchika Sankranti Festival
- Nov 17 Shukla Pradosh Vrat Festival
- Nov 17 Vrishchika Sankranti Festival
- Nov 18 Vrishchika Sankranti Festival
- Nov 19 Purnima Vrat Festival
- Nov 24 Sankashti Chaturthi Festival
- Nov 27 Kalabhairav Jayanti Festival
- Nov 30 Saphala Ekadashi Festival
- Dec 2 Krishna Pradosh Vrat Festival
- Dec 2 Masik Shivaratri Festival
- Dec 4 Amavasya Festival
- Dec 7 Vinayaka Chaturthi Festival
- Dec 8 Vivah Panchami Festival
- Dec 14 Dhanu Sankranti Festival
- Dec 15 Gita Jayanti Festival
- Dec 15 Mokshada Ekadashi Festival
- Dec 15 Dhanu Sankranti Festival
- Dec 16 Dhanu Sankranti Festival
- Dec 17 Dhanu Sankranti Festival
- Dec 17 Shukla Pradosh Vrat Festival
- Dec 18 Dhanu Sankranti Festival
- Dec 19 Dattatreya Jayanti Festival
- Dec 19 Purnima Vrat Festival
- Dec 23 Sankashti Chaturthi Festival
- Dec 30 Shat Tila Ekadashi 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.