| 3 Jan, 2026 (Sat) | Duruthu Full Moon Poya Day | Public Holiday |
| 15 Jan, 2026 (Thu) | Tamil Thai Pongal Day | Public Holiday |
| 1 Feb, 2026 (Sun) | Navam Full Moon Poya Day | Public Holiday |
| 4 Feb, 2026 (Wed) | National Day | Public Holiday |
| 14 Feb, 2026 (Sat) | Valentine's Day | Observance |
| 15 Feb, 2026 (Sun) | Mahasivarathri Day | Public Holiday |
| 18 Feb, 2026 (Wed) | Ramadan Start (Tentative Date) | Observance |
| 2 Mar, 2026 (Mon) | Madin Full Moon Poya Day | Public Holiday |
| 4 Mar, 2026 (Wed) | Holi | Hindu Holiday |
| 21 Mar, 2026 (Sat) | March Equinox | Season |
| 21 Mar, 2026 (Sat) | Eid al-Fitr (Tentative Date) | Public Holiday |
| 1 Apr, 2026 (Wed) | Bak Full Moon Poya Day | Public Holiday |
| 3 Apr, 2026 (Fri) | Good Friday | Public Holiday |
| 5 Apr, 2026 (Sun) | Easter Sunday | Observance |
| 13 Apr, 2026 (Mon) | Sinhala and Tamil New Year's Eve | Public Holiday |
| 14 Apr, 2026 (Tue) | Sinhala and Tamil New Year's Day | Public Holiday |
| 1 May, 2026 (Fri) | Vesak Full Moon Poya Day | Public Holiday |
| 1 May, 2026 (Fri) | May Day | Public Holiday |
| 2 May, 2026 (Sat) | Day after Vesak Full Moon Poya Day | Public Holiday |
| 10 May, 2026 (Sun) | Mother's Day | Observance |
| 28 May, 2026 (Thu) | Eid al-Adha (Tentative Date) | Public Holiday |
| 30 May, 2026 (Sat) | Adhi Poson Full Moon Poya Day | Public Holiday |
| 17 Jun, 2026 (Wed) | Muharram (Tentative Date) | Observance |
| 21 Jun, 2026 (Sun) | Father's Day | Observance |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 29 Jun, 2026 (Mon) | Poson Full Moon Poya Day | Public Holiday |
| 29 Jul, 2026 (Wed) | Esala Full Moon Poya Day | Public Holiday |
| 26 Aug, 2026 (Wed) | Milad-Un-Nabi (Tentative Date) | Public Holiday |
| 27 Aug, 2026 (Thu) | Nikini Full Moon Poya Day | Public Holiday |
| 23 Sep, 2026 (Wed) | September Equinox | Season |
| 26 Sep, 2026 (Sat) | Binara Full Moon Poya Day | Public Holiday |
| 25 Oct, 2026 (Sun) | Vap Full Moon Poya Day | Public Holiday |
| 8 Nov, 2026 (Sun) | Deepavali | Public Holiday |
| 24 Nov, 2026 (Tue) | Il Full Moon Poya Day | Public Holiday |
| 22 Dec, 2026 (Tue) | December Solstice | Season |
| 23 Dec, 2026 (Wed) | Unduvap Full Moon Poya Day | Public Holiday |
| 24 Dec, 2026 (Thu) | Christmas Eve | Observance |
| 25 Dec, 2026 (Fri) | Christmas Day | Public Holiday |
