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