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