| New Year's Day | Public Holiday |  |
| Zanzibar Revolution Day | Public Holiday | |
| March Equinox | Season | |
| Good Friday | Public Holiday | |
| Easter | Observance | |
| Easter Monday | Public Holiday | |
| Karume Day | Public Holiday | |
| Union Day | Public Holiday | |
| Workers' Day | Public Holiday | |
| Mother's Day | Observance | |
| Eid al-Fitr (End of Ramadan) | Public Holiday | |
| June Solstice | Season | |
| Saba Saba | Public Holiday | |
| Peasants' Day | Public Holiday | |
| Eid el Hajj | Public Holiday | |
| Eid al-Adha | Public Holiday | |
| September Equinox | Season | |
| Mwalimu Nyerere Day | Public Holiday | |
| Mawlid / Prophet's Birthday | Public Holiday | |
| Republic Day | Public Holiday | |
| December Solstice | Season | |
| December Solstice | Season | |
| Christmas Eve | Observance | |
| Christmas Day | Public Holiday | |
| Boxing Day | Public Holiday | |
