The table below presents the complete list of public holidays notified by the Tamil Nadu government for 2026, applicable to all state offices, schools, and banks (tentative dates subject to moon-sighting).
| Date | Weekday | Occasion |
|---|---|---|
| January 1, 2026 | Thursday | New Year's Day |
| January 15, 2026 | Thursday | Pongal |
| January 16, 2026 | Friday | Thiruvalluvar Day |
| January 17, 2026 | Saturday | Uzhavar Thirunal |
| January 26, 2026 | Monday | Republic Day |
| February 1, 2026 | Sunday | Thai Poosam |
| March 19, 2026 | Thursday | Telugu New Year's Day |
| March 21, 2026 | Saturday | Ramzan (Id-ul-Fitr) |
| March 31, 2026 | Tuesday | Mahavir Jayanti |
| April 1, 2026 | Wednesday | Annual Closing of Accounts (Banks) |
| April 3, 2026 | Friday | Good Friday |
| April 14, 2026 | Tuesday | Tamil New Year's Day / Dr B.R. Ambedkar's Birthday |
| May 1, 2026 | Friday | May Day |
| May 28, 2026 | Thursday | Bakrid (Id-ul-Zuha) |
| June 26, 2026 | Friday | Muharram |
| August 15, 2026 | Saturday | Independence Day |
| August 26, 2026 | Wednesday | Milad-un-Nabi |
| September 4, 2026 | Friday | Krishna Jayanti |
| September 14, 2026 | Monday | Vinayakar Chathurthi |
| October 2, 2026 | Friday | Gandhi Jayanti |
| October 19, 2026 | Monday | Ayutha Pooja |
| October 20, 2026 | Tuesday | Vijaya Dasami |
| November 8, 2026 | Sunday | Deepavali |
| December 25, 2026 | Friday | Christmas Day |