| January 3Saturday | Duruthu Full Moon Poya Day | Public holiday |
| January 15Thursday | Tamil Thai Pongal Day | Public holiday |
| February 1Sunday | Navam Full Moon Poya Day | Public holiday |
| February 4Wednesday | National Day | Public holiday |
| February 18Wednesday | Ramadan Start | Observance |
| March 2Monday | Madin Full Moon Poya Day | Public holiday |
| March 18Wednesday | Fuel Conservation Holiday | Public holiday |
| March 20Friday | March Equinox | Observance |
| March 21Saturday | Eid al-Fitr | Public holiday |
| March 25Wednesday | Fuel Conservation Holiday | Public holiday |
| April 1Wednesday | Fuel Conservation Holiday | Public holiday |
| April 1Wednesday | Bak Full Moon Poya Day | Public holiday |
| April 3Friday | Good Friday | Public holiday |
| April 5Sunday | Easter Sunday | Observance |
| April 13Monday | Sinhala and Tamil New Year's Eve | Public holiday |
| April 14Tuesday | Sinhala and Tamil New Year's Day | Public holiday |
| May 1Friday | May Day | Public holiday |
| May 1Friday | Adhi Vesak Full Moon Poya Day | Public holiday |
| May 10Sunday | Mother's Day | Observance |
| May 28Thursday | Eid al-Adha | Public holiday |
| May 30Saturday | Vesak Full Moon Poya Day | Public holiday |
| May 31Sunday | Day after Vesak Full Moon Poya Day | Public holiday |
| June 17Wednesday | Muharram | Observance |
| June 21Sunday | Father's Day | Observance |
| June 21Sunday | June Solstice | Observance |
| June 29Monday | Poson Full Moon Poya Day | Public holiday |
| July 29Wednesday | Esala Full Moon Poya Day | Public holiday |
| August 26Wednesday | Milad-Un-Nabi | Public holiday |
| August 27Thursday | Nikini Full Moon Poya Day | Public holiday |
| September 23Wednesday | September Equinox | Observance |
| September 26Saturday | Binara Full Moon Poya Day | Public holiday |
| October 25Sunday | Vap Full Moon Poya Day | Public holiday |
| November 8Sunday | Deepavali | Public holiday |
| November 24Tuesday | Il Full Moon Poya Day | Public holiday |
| December 22Tuesday | December Solstice | Observance |
| December 24Thursday | Christmas Eve | Observance |
| December 25Friday | Christmas Day | Public holiday |