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