Diwali is also known as Deepavali, will be celebrated on Sunday, November 8, 2026. However, the Tamil Nadu government has declared Monday, November 9 an additional holiday for government offices, public sector undertakings, schools, colleges and other educational institutions. Keep reading to know in detail.
Diwali 2026: Important Dates in Tamil Nadu
| Date | Day | Occasion or Status |
| November 8, 2026 | Sunday | Diwali (Deepavali) |
| November 9, 2026 | Monday | Additional state holiday |
| November 28, 2026 | Saturday | Compensatory working day |
Tamil Nadu Diwali Holiday 2026: School and College Status
The state government has announced an additional holiday on November 9 for schools, colleges and other educational institutions covered by its order.
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| Institution | November 8 (Sunday) | November 9 (Monday) | November 28 (Saturday) |
| Government schools | Sunday | Holiday | Working day |
| Private schools covered by the order | Sunday | Holiday | Working day, as applicable under the order |
| Government colleges | Sunday | Holiday | Working day |
| Other educational institutions covered by the order | Sunday | Holiday | Working day |
Tamil Nadu Diwali Holiday 2026: Government Office Status
| Government Institution | November 8 | November 9 | November 28 |
| State government offices | Sunday | Holiday | Working day |
| Public sector undertakings covered by the order | Sunday | Holiday | Working day |
| Treasuries and sub-treasuries | Sunday | Holiday, with arrangements for urgent work | Working day |
Are Banks Closed on November 8 and 9 in Tamil Nadu?
The additional holiday announced by the Tamil Nadu government does not automatically apply to banks. Bank holidays are governed by the applicable banking holiday notification and the Reserve Bank of India’s holiday calendar.
| Date | Day | Bank Holiday Status |
| November 8, 2026 | Sunday | Banks closed as it is a Sunday |
| November 9, 2026 | Monday | Not automatically a bank holiday under the additional state order; check the RBI holiday calendar |
| November 28, 2026 | Saturday | Fourth Saturday; banks closed under the regular banking holiday schedule |