HSTU Calendar 2023
List of Holidays - 2023
| Subject | Date | |
| 1 | Saraswati Puja (Shree Panchami) | 26 January |
| 2 | Sab-e-Meraj* | 19 February |
| 3 | Shahid Dibash & International Mother Language Day | 21 February |
| 4 | Sab-e-Barat* | 08 March |
| 5 | Birthday of Father of the Nation Bangabandhu Sheikh Mujibur Rahman and National Children's Day | 17 March |
| 6 | Independence & National Day | 26 March |
| 7 | Bangla Nababarsha | 14 April |
| 8 | Holy Ramadan, Sab-e-Qadar & Eid-ul-Fitr* | 16 April- 30 April |
| 9 | May Day | 01 May |
| 10 | Buddha Purnima | 04 May |
| 11 | Eid-ul-Azha* | 25 Jun-04 July |
| 12 | Muharram* (Ashura) | 29 July |
| 13 | Natinal Mourning Day | 15 August |
| 14 | Janmastami | 06 September |
| 15 | Akheri Chahar Shomba* | 13 September |
| 16 | University Day (Class Off) | 11 September |
| 17 | Eid-e-Miladun-Nabi(SM)* | 28 September |
| 18 | Durgapuja | 22 October- 26 October |
| 19 | Fateha-e-Eajdaham | 27 October |
| 20 | Shaheed Intellectuals' Day | 14 December (class off) |
| 21 | Victory Day | 16 December |
| 22 | Christmas Day, Winter Vacation | 24 December- 31 December |