| EVENT | Actual Date/Day | Proposed Date/Day | Class |
|---|---|---|---|
| Jallian Wallah Bagh | 13 April 2023, Thursday | 13 April 2023, Thursday | VI A & B |
| Earth Day | 22 April 2023, Saturday | 21 April 2023, Friday | XII C & H |
| World Day for safety and health at work | 28 April 2023, Friday | 28 April 2023, Friday | XII Science |
| Labour Day | 1 May 2023, Monday | 1 May 2023, Monday | III A |
| Hindi Journalism Day | 30 May 2023, Tuesday | 26 May 2023, Friday | VII B |
| Doctors Day | 1 July 2023, Saturday | 1 July 2023, Saturday | VIII A |
| World Population Day | 11 July 2023, Tuesday | 11 July 2023, Tuesday | X B |
| Kargil Divas | 26 July 2023, Wednesday | 26 July 2023, Wednesday | IV A |
| Janmashtami | 6 Sep 2023, Wednesday | 8 Sep 2023, Friday | II A |
| World Ozone Day | 16 Sep 2023, Saturday | 16 Sep 2023, Saturday | XI SCI, COM, HUM |
| Ganesh Chaturthi | 19 Sep 2023, Tuesday | 18 Sep 2023, Monday | V A |
| Id-ul-milad | 28 Sep 2023, Thursday | 27 Sep 2023, Wednesday | I A |
| Gandhi Jayanti | 2 Oct 2023, Monday | 30 Sep 2023, Saturday | X A |
| Indian Air Force Day | 8 Oct 2023, Sunday | 7 Oct 2023, Saturday | VIII B |
| Dusshera | 24 Oct 2023, Tuesday | 21 Oct 2023, Saturday | V B |
| National Unity Day | 31 Oct 2023, Tuesday | 31 Oct 2023, Tuesday | VII A |
| Students Day | 7 Nov 2023, Tuesday | 7 Nov 2023, Tuesday | IV B |
| Constitution Day | 26 Nov 2023, Sunday | 24 Nov 2023, Friday | IX A |
| Armed Force Flag Day | 7 Dec 2023, Thursday | 7 Dec 2023, Thursday | II B |
| Human Rights Day | 9 Dec 2023, Saturday | 9 Dec 2023, Saturday | IX B |
| National Maths Day | 22 Dec 2023, Friday | 22 Dec 2023, Friday | I B |