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