Information about legal national holidays across the globe.
Islamic holidays depend on the sighting of the moon: dates not yet announced are estimates and may move by a day.
Weekend holidays are displayed in gray.
| 2018 Day | Public Holiday |
| Monday, January 01 | New Year's Day |
| Friday, January 12 | Zanzibar Revolution Day |
| Friday, March 30 | Good Friday |
| Monday, April 02 | Easter Monday |
| Saturday, April 07 | Sheikh Abeid Amani Karume Day |
| Monday, April 09 | Sheikh Abeid Amani Karume Day (observed) |
| Thursday, April 26 | Union Day |
| Tuesday, May 01 | International Workers' Day |
| Friday, June 15 | Eid al-Fitr |
| Saturday, June 16 | Eid al-Fitr (second day) |
| Monday, June 18 | Eid al-Fitr (second day) (observed) |
| Saturday, July 07 | Saba Saba Day |
| Monday, July 09 | Saba Saba Day (observed) |
| Wednesday, August 08 | Nane Nane Day |
| Wednesday, August 22 | Eid al-Adha |
| Sunday, October 14 | Mwalimu Nyerere Day |
| Monday, October 15 | Mwalimu Nyerere Day (observed) |
| Wednesday, November 21 | Prophet's Birthday |
| Sunday, December 09 | Independence and Republic Day |
| Monday, December 10 | Independence and Republic Day (observed) |
| Tuesday, December 25 | Christmas Day |
| Wednesday, December 26 | Boxing Day |