This Tamil festivals calendar is a practical annual reference for major Tamil cultural observances, their usual Tamil calendar months, common traditions, regional differences and planning considerations. Festival dates can change from year to year because many observances follow lunar or solar calculations, so use this guide as a planning framework and confirm the date, timing and public-holiday status each year.
Overview
Tamil festivals are shaped by the Tamil solar calendar, temple traditions, agricultural seasons and family customs. Some celebrations are observed widely across Tamil Nadu, while others are especially important in particular districts, temples, communities or diaspora groups. The same festival may also be called by different names, follow different rituals or be held on different days outside Tamil Nadu.
The Tamil year generally begins with Chithirai, around April. It continues through Vaikasi, Aani, Aadi, Avani, Purattasi, Aippasi, Karthigai, Margazhi, Thai, Maasi and Panguni. Gregorian calendar dates are not fixed for most Tamil festivals. For example, Pongal is usually observed in January, while Deepavali, Navaratri and Karthigai Deepam move within the Gregorian calendar from year to year.
Public-holiday treatment is also separate from religious importance. A festival may be culturally significant without being a government holiday in every location. Families should check the relevant state, school, workplace, temple and local-authority calendars before making travel or event arrangements.
What to track
The following month-by-month reference covers widely recognised Tamil festivals and observances. It is not a complete list of every village festival, temple festival or community event.
| Tamil month | Usual period | Festivals and observances | Common traditions and planning notes |
|---|---|---|---|
| Chithirai | April–May | Tamil Puthandu; Chithirai festival observances | Families prepare a festive meal, visit temples and read the Tamil almanac or panchangam. Temple processions and local Chithirai celebrations vary by place. |
| Vaikasi | May–June | Vaikasi Visakam | Often associated with Murugan temples. Worship, special abhishekam, processions and community meals may be organised according to temple custom. |
| Aani | June–July | Aani Thirumanjanam and temple observances | Important Shaiva temples may conduct special rituals. Exact schedules depend on the temple calendar and local tradition. |
| Aadi | July–August | Aadi Perukku; Aadi Fridays; Aadi Amavasai | Aadi is associated with water, fertility, women’s devotional practices and Amman worship. Riverbank events, offerings and family observances may be especially prominent in some regions. |
| Avani | August–September | Avani Avittam; Krishna Jayanthi; Vinayagar Chathurthi | Rituals differ by community. Vinayagar celebrations may include home worship, public installations and immersion arrangements subject to local rules. |
| Purattasi | September–October | Purattasi Saturdays; Navaratri begins in some years | Many Vishnu devotees follow special worship or dietary practices. Navaratri preparations can include Golu displays, invitations, music and devotional gatherings. |
| Aippasi | October–November | Deepavali; Kandha Sashti | Families clean homes, wear new clothes, prepare sweets and savouries and visit relatives. Temple observances for Murugan and local Deepavali customs vary. |
| Karthigai | November–December | Karthigai Deepam | Oil lamps are lit at homes, streets and temples. The timing of the main observance and large temple events should be confirmed annually. |
| Margazhi | December–January | Margazhi devotional observances; Tiruvathirai; Vaikunta Ekadashi | Early-morning worship, kolam drawing, bhajans, music and dance events are common in different communities. Cultural programmes may follow separate schedules. |
| Thai | January–February | Thai Pongal; Mattu Pongal; Kaanum Pongal; Thai Poosam | Pongal includes kolam, the boiling of new rice, sugarcane and thanksgiving to the Sun. Mattu Pongal honours cattle, while Kaanum Pongal is often associated with visiting and family outings. |
| Maasi | February–March | Maasi Magam and temple festivals | Water-related rituals, processions and temple events are observed in some coastal and temple towns. Local calendars are particularly important for exact dates. |
| Panguni | March–April | Panguni Uthiram | Often linked with Murugan, Amman and other temple traditions. Weddings, processions, vows and community meals may form part of local observances. |
Food is one of the most visible parts of Tamil festival culture. Pongal may include sakkarai pongal and ven pongal; Deepavali commonly includes sweets and savouries; Aadi and temple festivals may feature offerings specific to the deity or locality. Recipes, fasting practices and meal timings can differ between families, castes, religious traditions and regions, so a calendar should describe these as common practices rather than universal rules.
Cadence and checkpoints
A reliable festival calendar needs more than one annual update. Begin a detailed review before the Tamil New Year so that dates, weekday information and event-planning notes are ready for readers. Then conduct a second review when the official holiday schedule for the relevant year is published. A final monthly check is useful for festivals whose dates depend on lunar calculations, temple announcements or local observance rules.
For each entry, editors and community organisers should track:
- the Tamil calendar month and the corresponding Gregorian date;
- the correct observance day and, where relevant, the beginning and ending time;
- whether the date is a public, school, bank or local holiday in the reader’s location;
- temple opening hours, procession routes and advance booking requirements;
- transport, weather, crowd, sound and public-safety notices for large gatherings;
- diaspora time-zone differences and the local calendar used by community associations.
Do not treat a general festival date as confirmation of every related event. A temple may hold its procession on a different day, and a diaspora association may schedule a weekend celebration for practical reasons.
How to interpret changes
Changes in a festival calendar do not necessarily mean that a tradition has changed. Dates may move because the festival follows a lunar phase, a nakshatra, a tithi or another calendar calculation. Regional panchangams can also differ in how they determine the most suitable observance time.
When two calendars show different dates, compare the calculation method and location before choosing one. Temple announcements are usually more useful for temple-specific rituals, while government notices are the appropriate reference for public holidays. For family functions, confirm the preferred tradition with relatives or the relevant priest rather than assuming that one statewide date applies everywhere.
It is also important to distinguish a festival’s cultural meaning from the way it is currently organised. A modern community event may include stage programmes, food stalls, sponsorships or weekend scheduling, while the underlying religious or seasonal observance follows an older calendar. Both details can be recorded, but they should not be presented as identical.
When to revisit
Revisit this Tamil festivals calendar at least three times a year: before Chithirai and the start of the Tamil year, after the year’s official holiday list becomes available, and before major travel periods such as Deepavali and Pongal. Monthly checks are worthwhile for readers planning temple visits, school projects, cultural programmes or overseas community events.
Before publishing or sharing a date, complete this short checklist:
- Confirm the festival date against a current Tamil calendar or panchangam.
- Check whether the location changes the observance date or timing.
- Verify public-holiday information separately from religious significance.
- Look for the latest temple, school, transport and local-event announcements.
- Update the article’s year label, table notes and internal links where needed.
Readers can save this page and return before each festival, while community editors can use it as a base calendar for local announcements. A careful annual review keeps the guide useful without flattening the regional differences that make Tamil festivals living traditions.