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