- Jan 6 Shat Tila Ekadashi Festival
- Jan 8 Krishna Pradosh Vrat Festival
- Jan 9 Masik Shivaratri Festival
- Jan 10 Amavasya Festival
- Jan 14 Vinayaka Chaturthi 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 Makar Sankranti Festival
- Jan 18 Thai Pongal Festival
- Jan 19 Makar Sankranti Festival
- Jan 19 Thai Pongal Festival
- Jan 21 Pausha Putrada Ekadashi Festival
- Jan 22 Shukla Pradosh Vrat Festival
- Jan 24 Purnima Vrat Festival
- Jan 26 Republic Day Festival
- Jan 28 Sakat Chauth Festival
- Jan 28 Sankashti Chaturthi Festival
- Feb 5 Vijaya Ekadashi Festival
- Feb 7 Krishna Pradosh Vrat Festival
- Feb 7 Masik Shivaratri Festival
- Feb 9 Mauni Amavas Festival
- Feb 9 Amavasya Festival
- Feb 13 Kumbha Sankranti Festival
- Feb 13 Vinayaka Chaturthi Festival
- Feb 14 Kumbha Sankranti Festival
- Feb 15 Kumbha Sankranti Festival
- Feb 15 Ratha Saptami Festival
- Feb 16 Bhishma Ashtami Festival
- Feb 16 Kumbha Sankranti Festival
- Feb 17 Kumbha Sankranti Festival
- Feb 19 Jaya Ekadashi Festival
- Feb 21 Shukla Pradosh Vrat Festival
- Feb 23 Purnima Vrat Festival
- Feb 27 Sankashti Chaturthi Festival
- Mar 7 Papamochani Ekadashi Festival
- Mar 9 Maha Shivaratri Festival
- Mar 9 Krishna Pradosh Vrat Festival
- Mar 9 Masik Shivaratri Festival
- Mar 10 Amavasya Festival
- Mar 14 Vinayaka Chaturthi Festival
- Mar 15 Meena Sankranti Festival
- Mar 16 Meena Sankranti Festival
- Mar 17 Meena Sankranti Festival
- Mar 18 Meena Sankranti Festival
- Mar 19 Meena Sankranti Festival
- Mar 20 Amalaki Ekadashi Festival
- Mar 22 Shukla Pradosh Vrat Festival
- Mar 24 Holi Festival
- Mar 24 Holika Dahan Festival
- Mar 25 Purnima Vrat Festival
- Mar 29 Sankashti Chaturthi Festival
- Apr 2 Sheetala Ashtami Festival
- Apr 5 Varuthini Ekadashi Festival
- Apr 7 Krishna Pradosh Vrat Festival
- Apr 7 Masik Shivaratri Festival
- Apr 9 Amavasya Festival
- Apr 10 Chaitra Navratri Festival
- Apr 10 Gudi Padwa Festival
- Apr 10 Ugadi Festival
- Apr 12 Vinayaka Chaturthi Festival
- Apr 14 Yamuna Chhath Festival
- Apr 15 Mesha Sankranti Festival
- Apr 16 Mesha Sankranti Festival
- Apr 17 Mesha Sankranti Festival
- Apr 17 Ram Navami Festival
- Apr 17 Swaminarayan Jayanti Festival
- Apr 18 Mesha Sankranti Festival
- Apr 19 Mesha Sankranti Festival
- Apr 19 Kamada Ekadashi Festival
- Apr 21 Shukla Pradosh Vrat Festival
- Apr 23 Hanuman Jayanti Festival
- Apr 23 Purnima Vrat Festival
- Apr 28 Sankashti Chaturthi Festival
- May 5 Apara Ekadashi Festival
- May 7 Krishna Pradosh Vrat Festival
- May 7 Masik Shivaratri Festival
- May 8 Amavasya Festival
- May 11 Parashurama Jayanti Festival
- May 12 Vinayaka Chaturthi Festival
- May 14 Ganga Saptami Festival
- May 15 Vrishabha Sankranti Festival
- May 16 Sita Navami Festival
- May 16 Vrishabha Sankranti Festival
- May 17 Vrishabha Sankranti Festival
- May 18 Vrishabha Sankranti Festival
- May 19 Mohini Ekadashi Festival
- May 19 Vrishabha Sankranti Festival
- May 20 Vrishabha Sankranti Festival
- May 21 Narasimha Jayanti Festival
- May 21 Shukla Pradosh Vrat Festival
- May 23 Buddha Purnima Festival
- May 23 Purnima Vrat Festival
- May 24 Narada Jayanti Festival
- May 27 Sankashti Chaturthi Festival
- Jun 3 Yogini Ekadashi Festival
- Jun 5 Krishna Pradosh Vrat Festival
- Jun 5 Masik Shivaratri Festival
- Jun 7 Vat Savitri Vrat Festival
- Jun 7 Amavasya Festival
- Jun 7 Shani Jayanti Festival
- Jun 10 Vinayaka Chaturthi Festival
- Jun 16 Ganga Dussehra Festival
- Jun 16 Mithuna Sankranti Festival
- Jun 17 Mithuna Sankranti Festival
- Jun 17 Nirjala Ekadashi Festival
- Jun 18 Mithuna Sankranti Festival
- Jun 19 Mithuna Sankranti Festival
- Jun 19 Shukla Pradosh Vrat Festival
- Jun 20 Mithuna Sankranti Festival
- Jun 20 Shukla Pradosh Vrat Festival
- Jun 22 Vat Purnima Vrat Festival
- Jun 22 Purnima Vrat Festival
- Jun 26 Sankashti Chaturthi Festival
- Jul 2 Kamika Ekadashi Festival
- Jul 4 Krishna Pradosh Vrat Festival
- Jul 4 Masik Shivaratri Festival
- Jul 6 Amavasya Festival
- Jul 8 Jagannath Rathyatra Festival
- Jul 10 Vinayaka Chaturthi Festival
- Jul 17 Devshayani Ekadashi Festival
- Jul 17 Karka Sankranti Festival
- Jul 18 Karka Sankranti Festival
- Jul 19 Karka Sankranti Festival
- Jul 19 Shukla Pradosh Vrat Festival
- Jul 20 Karka Sankranti Festival
- Jul 21 Guru Purnima Festival
- Jul 21 Karka Sankranti Festival
- Jul 21 Purnima Vrat Festival
- Jul 25 Sankashti Chaturthi Festival
- Aug 1 Aja Ekadashi Festival
- Aug 2 Krishna Pradosh Vrat Festival
- Aug 4 Amavasya Festival
- Aug 7 Hariyali Teej Festival
- Aug 8 Vinayaka Chaturthi Festival
- Aug 9 Nag Panchami Festival
- Aug 15 Independence Day Festival
- Aug 16 Shravana Putrada Ekadashi Festival
- Aug 18 Shukla Pradosh Vrat Festival
- Aug 18 Simha Sankranti Festival
- Aug 19 Simha Sankranti Festival
- Aug 20 Raksha Bandhan Festival
- Aug 20 Gayatri Jayanti Festival
- Aug 20 Purnima Vrat Festival
- Aug 20 Simha Sankranti Festival
- Aug 21 Simha Sankranti Festival
- Aug 22 Simha Sankranti Festival
- Aug 23 Sankashti Chaturthi Festival
- Aug 30 Indira Ekadashi Festival
- Sep 1 Krishna Pradosh Vrat Festival
- Sep 1 Masik Shivaratri Festival
- Sep 3 Amavasya Festival
- Sep 6 Ganesh Chaturthi Festival
- Sep 6 Hartalika Teej Festival
- Sep 7 Vinayaka Chaturthi Festival
- Sep 8 Rishi Panchami Festival
- Sep 9 Balarama Jayanti Festival
- Sep 11 Radha Ashtami Festival
- Sep 14 Parsva Ekadashi Festival
- Sep 16 Shukla Pradosh Vrat Festival
- Sep 17 Anant Chaturdashi Festival
- Sep 17 Kanya Sankranti Festival
- Sep 18 Kanya Sankranti Festival
- Sep 18 Purnima Vrat Festival
- Sep 19 Pitrupaksha Festival
- Sep 19 Kanya Sankranti Festival
- Sep 20 Kanya Sankranti Festival
- Sep 21 Kanya Sankranti Festival
- Sep 22 Kanya Sankranti Festival
- Sep 22 Sankashti Chaturthi Festival
- Sep 28 Rama Ekadashi Festival
- Sep 30 Krishna Pradosh Vrat Festival
- Sep 30 Masik Shivaratri Festival
- Oct 2 Gandhi Jayanti Festival
- Oct 2 Sarva Pitru Amavasya Festival
- Oct 2 Amavasya Festival
- Oct 3 Sharad Navratri Festival
- Oct 6 Vinayaka Chaturthi Festival
- Oct 10 Durga Ashtami Festival
- Oct 11 Durga Ashtami Festival
- Oct 12 Maha Navami Festival
- Oct 13 Dussehra Festival
- Oct 14 Papankusha Ekadashi Festival
- Oct 16 Shukla Pradosh Vrat Festival
- Oct 18 Sharad Purnima Festival
- Oct 18 Purnima Vrat Festival
- Oct 18 Tula Sankranti Festival
- Oct 19 Tula Sankranti Festival
- Oct 20 Tula Sankranti Festival
- Oct 21 Karva Chauth Festival
- Oct 21 Sankashti Chaturthi Festival
- Oct 21 Tula Sankranti Festival
- Oct 22 Tula Sankranti Festival
- Oct 25 Ahoi Ashtami Festival
- Oct 28 Utpanna Ekadashi Festival
- Oct 29 Dhanteras Festival
- Oct 29 Govatsa Dwadashi Festival
- Oct 30 Narak Chaturdashi Festival
- Oct 30 Krishna Pradosh Vrat Festival
- Oct 30 Masik Shivaratri Festival
- Oct 31 Diwali Festival
- Nov 1 Amavasya Festival
- Nov 2 Govardhan Puja Festival
- Nov 3 Bhaiya Dooj Festival
- Nov 5 Vinayaka Chaturthi Festival
- Nov 7 Chhath Puja Festival
- Nov 12 Devutthana Ekadashi Festival
- Nov 13 Tulasi Vivah Festival
- Nov 14 Shukla Pradosh Vrat Festival
- Nov 16 Purnima Vrat Festival
- Nov 17 Vrishchika Sankranti Festival
- Nov 18 Vrishchika Sankranti Festival
- Nov 19 Sankashti Chaturthi Festival
- Nov 19 Vrishchika Sankranti Festival
- Nov 20 Vrishchika Sankranti Festival
- Nov 21 Vrishchika Sankranti Festival
- Nov 22 Kalabhairav Jayanti Festival
- Nov 26 Saphala Ekadashi Festival
- Nov 28 Krishna Pradosh Vrat Festival
- Nov 29 Masik Shivaratri Festival
- Nov 30 Amavasya Festival
- Dec 1 Amavasya Festival
- Dec 5 Vinayaka Chaturthi Festival
- Dec 6 Vivah Panchami Festival
- Dec 12 Gita Jayanti Festival
- Dec 12 Mokshada Ekadashi Festival
- Dec 14 Shukla Pradosh Vrat Festival
- Dec 15 Dattatreya Jayanti Festival
- Dec 15 Purnima Vrat Festival
- Dec 17 Dhanu Sankranti Festival
- Dec 18 Dhanu Sankranti Festival
- Dec 19 Dhanu Sankranti Festival
- Dec 19 Sankashti Chaturthi Festival
- Dec 20 Dhanu Sankranti Festival
- Dec 26 Shat Tila Ekadashi Festival
- Dec 28 Krishna Pradosh Vrat Festival
- Dec 28 Masik Shivaratri Festival
- Dec 29 Masik Shivaratri Festival
- Dec 30 Amavasya 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.