List of National and Regional Holidays of Bihar in 2022
| Holiday | Date | Day | Type | Remarks |
| Republic Day | 2022-01-26 | Wednesday | National | |
| Holi | 2022-03-18 | Friday | Regional | |
| Holi | 2022-03-19 | Saturday | Regional | |
| Bihar Divas | 2022-03-22 | Tuesday | Regional | |
| Ram Navami | 2022-04-10 | Sunday | Regional | |
| Bhimrao Ambedkar Jayanti | 2022-04-14 | Thursday | Regional | |
| Good Friday | 2022-04-15 | Friday | Regional | |
| May Day (Shram Diwas) | 2022-05-01 | Sunday | Regional | |
| Idul-Fitr (Eid)* | 2022-05-03 | Tuesday | Regional | Subject to change depending on the appearance of the moon |
| Id-Ul-Zuha (Bakri Eid)* | 2022-07-10 | Sunday | Regional | Subject to change depending on the appearance of the moon |
| Muharram* | 2022-08-09 | Tuesday | Regional | Subject to change depending on the appearance of the moon |
| Independence Day (Swatantrata Diwas) | 2022-08-15 | Monday | National | |
| Shri Krishna Janmasthami | 2022-08-19 | Friday | Regional | |
| Mahatma Gandhi Jayanti | 2022-10-02 | Sunday | National | |
| Durga Puja (Maha Asthami) | 2022-10-03 | Monday | Regional | |
| Durga Puja (Maha Navami) | 2022-10-04 | Tuesday | Regional | |
| Durga Puja (Vijaya Dashami) | 2022-10-05 | Wednesday | Regional | |
| Deepavali | 2022-10-24 | Monday | Regional | |
| Chhath Puja | 2022-10-30 | Sunday | Regional | |
| Chhath Puja | 2022-10-31 | Monday | Regional | |
| Christmas | 2022-12-25 | Sunday | Regional |