| Month | Dates | Holidays | |
|---|---|---|---|
| 1 | January | 6th Friday | Duruthu Full Moon Poya Day |
| 2 | January | 15th Sunday | Tamil Thai Pongal Day |
| 3 | January | 16th Monday | Additional holiday in lieu of Tamil Thai Pongal Day falling on Sunday. |
| 4 | February | 3rd Friday | Additional half-holiday in lieu of the Independence Day falling on Saturday |
| 5 | February | 4th Saturday | Independence Day |
| 6 | February | 5th Sunday | Nawam Full Moon Poya Day |
| 7 | March | 6th Monday | Madin Full Moon Poya Day |
| 8 | April | 5th Wednesday | Bak Full Moon Poya Day |
| 9 | April | 13th Thursday | Day prior to Sinhala & Tamil New Year Day |
| 10 | April | 14th Friday | Sinhala & Tamil New Year Day |
| 11 | May | 1st Monday | May Day |
| 12 | May | 4th Thursday | Additional half-holiday in lieu of Day Following Vesak Full Moon Poya Day falling on Saturday. |
| 13 | May | 5th Friday | Vesak Full Moon Poya Day |
| 14 | May | 6th Saturday | Day Following Vesak Full Moon Poya Day |
| 15 | June | 3rd Saturday | Poson Full Moon Poya Day |
| 16 | July | 3rd Monday | Adi Esala Full Moon Poya Day |
| 17 | August | 1st Tuesday | Esala Full Moon Poya Day |
| 18 | August | 30th Wednesday | Nikini Full Moon Poya Day |
| 19 | September | 28th Thursday | Holy Prophet’s Birthday (Milad-Un-Nabi) |
| 20 | September | 29th Friday | Binara Full Moon Poya Day |
| 21 | October | 28th Saturday | Vap Full Moon Poya Day |
| 22 | November | 26th Sunday | Ill Full Moon Poya Day |
| 23 | December | 25th Monday | Christmas Day |
| 24 | December | 26th Tuesday | Unduvap Full Moon Poya Day |