List of Public Holidays 2019
| S.No. | Day | Date | Holiday |
| 1 | Tuesday | 1-Jan-19 | New Year Day |
| 2 | Tuesday | 15-Jan-19 | Pongal |
| 3 | Wednesday | 16-Jan-19 | Thiruvallur Day |
| 4 | Thursday | 17-Jan-19 | Uzhavar Thirunal |
| 5 | Saturday | 26-Jan-19 | Republic Day |
| 6 | Sunday | 14-Apr-19 | Dr.Ambedkar Jayanti / Tamil New year |
| 7 | Wednesday | 1-May-19 | May Day |
| 8 | Thursday | 15-Aug-19 | Independence Day |
| 9 | Friday | 23-Aug-19 | Krishna Jayanthi |
| 10 | Monday | 02-Sep-19 | Ganesh Chaturthi |
| 11 | Wednesday | 02-Oct-19 | Gandhi Jayanti |
| 12 | Monday | 07-Oct-19 | Ayudha Pooja |
| 13 | Tuesday | 08-Oct-19 | Vijaya Dashami |
| 14 | Sunday | 27-Oct-19 | Dewali |
| 15 | Wednesday | 25-Dec-19 | Christmas |