India | Andhra Pradesh | Arunachal Pradesh | Assam | Bihar | Chandigarh | Chhattisgarh | Dadra & Nagar Haveli | Goa | Gujarat | Haryana | Himachal Pradesh | Jammu & Kashmir | Jharkhand | Karnataka | Kerala | Ladakh | Madhya Pradesh | Maharashtra | Manipur | Meghalaya | Mizoram | Nagaland | NCT of Delhi | Odisha | Puducherry | Punjab | Rajasthan | Sikkim | Tamil Nadu | Telangana | Tripura | Uttar Pradesh | Uttarakhand | West Bengal
There are 23 public holidays in the state of Tamil Nadu, India in 2021. Four of them fall on Saturday and two of them fall on Sunday.
The following is the list of public holidays in Tamil Nadu 2021.
| Holiday | Date | Weekday | Note |
|---|---|---|---|
| New Year's Day | Jan 1, 2021 | Friday | Regional Holiday |
| Pongal | Jan 14, 2021 | Thursday | Regional Holiday |
| Thiruvalluvar Day | Jan 15, 2021 | Friday | Regional Holiday |
| Uzhavar Thirunal | Jan 16, 2021 | Saturday | Regional Holiday |
| Republic Day | Jan 26, 2021 | Tuesday | Public Holiday |
| Annual closing of Accounts | Apr 1, 2021 | Thursday | Bank Holiday |
| Good Friday | Apr 2, 2021 | Friday | Regional Holiday |
| Telugu New Year's Day | Apr 13, 2021 | Tuesday | Regional Holiday |
| Tamil New year's Day Dr. Ambedkar's Birthday | Apr 14, 2021 | Wednesday | Regional Holiday |
| Mahavir Jayanthi | Apr 25, 2021 | Sunday | Regional Holiday |
| May Day | May 1, 2021 | Saturday | Regional Holiday |
| Ramzan (idu'l Fitr) | May 14, 2021 | Friday | Regional Holiday |
| Eid al-Adha | Jul 21, 2021 | Wednesday | Regional Holiday |
| Independence Day | Aug 15, 2021 | Sunday | Public Holiday |
| Muharram | Aug 19, 2021 | Thursday | Regional Holiday |
| Krishna Jayanthi | Aug 30, 2021 | Monday | Regional Holiday |
| Vinayaka Chaturthi | Sep 10, 2021 | Friday | Regional Holiday |
| Gandhi Jayanti | Oct 2, 2021 | Saturday | Public Holiday |
| Ayudha Puja | Oct 14, 2021 | Thursday | Regional Holiday |
| Vijaya Dasami | Oct 15, 2021 | Friday | Regional Holiday |
| Milad-un-Nabi | Oct 19, 2021 | Tuesday | Regional Holiday |
| Deepawali | Nov 4, 2021 | Thursday | Regional Holiday |
| Christmas Day | Dec 25, 2021 | Saturday | Regional Holiday |
Please also check working days in Tamil Nadu, India in 2021.