| S.No. | Day | Date | Holiday |
| 1 | Monday | 1-Jan-18 | New Year Day |
| 2 | Sunday | 14-Jan-18 | Pongal |
| 3 | Monday | 15-Jan-18 | Thiruvallur Day |
| 4 | Tuesday | 16-Jan-18 | Uzhavar Thirunal |
| 5 | Friday | 26-Jan-18 | Republic Day |
| 6 | Saturday | 14-Apr-18 | Dr.Ambedkar Jayanti / Tamil New year |
| 7 | Tuesday | 1-May-18 | May Day |
| 8 | Wednesday | 15-Aug-18 | Independence Day |
| 9 | Sunday | 02-Sep-18 | Krishna Jayanthi |
| 10 | Thursday | 13-Sep-18 | Ganesh Chaturthi |
| 11 | Tuesday | 02-Oct-18 | Gandhi Jayanti |
| 12 | Thursday | 18-Oct-18 | Ayudha Pooja |
| 13 | Friday | 19-Oct-18 | Vijaya Dashami |
| 14 | Tuesday | 06-Nov-18 | Dewali |
| 15 | Tuesday | 25-Dec-18 | Christmas |
SNA Seminar & Exam at Amity University, Near Chandigarh Airport, Airport Road, Mohali, Punjab on 03 & 04 October 2026. 
SNA Seminar & Exam at Chenduran college of Engineering , Lenavilakku, Pudukkottai District ,Tamil Nadu on 31 October & 01 November 2026 
Commonwealth School Chess Championships – 2026 in Kuala Lumpur, Malaysia from 4th to 12th October 2026. 
20th Asian Schools Chess Championships – 2026 in Tula region ,Russia from 1st to 11th October 2026.