Central Government Office Holiday List in Kolkata (WB) 2020
| Holiday | Date | Day |
| 1. Republic Day | 26.01.2020 | Sunday |
| 2. Basant Panchami / Sri Panchami | 30.01.2020 | Thursday |
| 3. Holo | 10.3.2020 | Tuesday |
| 4. Mahavir Jayanti | 06.04.2020 | Monday |
| 5. Good Friday | 10.04.2020 | Friday |
| 6. Buddha Purnima | 07.05.2020 | Thursday |
| 7. Id U’L Fitr | 25.05.2020 | Monday |
| 8. Id U’L Zuha (Bakrid) | 01.08.2020 | Saturday |
| 9. Independence Day | 15.08.2020 | Saturday |
| 10. Muharram | 30.08.2020 | Sunday |
| 11. Mahatma Gandhi’s Birthday | 02.10.2020 | Friday |
| 12. Dussehra (Maha Saptami) (Additional) | 23.10.2020 | Friday |
| 13. Dussehra (Vijaya Dashmi) | 25.10.2020 | Sunday |
| 14. Milad-un-Nabi or Id-E-Milad (Birth Day Prophet Mohammad) | 30.10.2020 | Friday |
| 15. Diwali (Deepawali) | 14.11.2020 | Saturday |
| 16. Guru Nanak’s Birthday | 30.11.2020 | Monday |
| 17. Christmas Day | 25.12.2020 | Friday |