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