1955 Holidays and Events in Sri Lanka
| Additional Information | Date | Name |
|---|---|---|
| 1/8/1955, Sat | Durutha Full Moon Poya Day | |
| 1/14/1955, Fri | Tamil Thai Pongal | |
| 2/4/1955, Fri | Independence Day/National Day | |
| 2/7/1955, Mon | Nawam Full Moon Poya Day | |
| 2/21/1955, Mon | Maha Sivarathri Day | |
| 3/8/1955, Tue | Medin Full Moon Poya Day | |
| 4/7/1955, Thu | Bak Full Moon Poya Day | |
| 4/8/1955, Fri | Good Friday | |
| 4/13/1955, Wed | Sinhala and Tamil New Year's Eve | |
| 4/14/1955, Thu | Sinhala and Tamil New Year's Day | |
| 4/23/1955, Sat | Ramadan Begins | |
| 4/24/1955, Sun | Ramadan Begins | |
| 4/25/1955, Mon | Ramadan Begins | |
| 4/26/1955, Tue | Ramadan Begins | |
| 4/27/1955, Wed | Ramadan Begins | |
| 4/28/1955, Thu | Ramadan Begins | |
| 4/29/1955, Fri | Ramadan Begins | |
| 4/30/1955, Sat | Ramadan Begins | |
| 5/1/1955, Sun | Ramadan Begins | |
| 5/1/1955, Sun | May Day | |
| 5/2/1955, Mon | Ramadan Begins | |
| 5/2/1955, Mon | May Day: Additional Observance Day | |
| 5/3/1955, Tue | Ramadan Begins | |
| 5/4/1955, Wed | Ramadan Begins | |
| 5/5/1955, Thu | Ramadan Begins | |
| 5/6/1955, Fri | Ramadan Begins | |
| 5/7/1955, Sat | Ramadan Begins | |
| 5/7/1955, Sat | Vesak Full Moon Poya Day | |
| 5/8/1955, Sun | Ramadan Begins | |
| 5/8/1955, Sun | Vesak Full Moon Poya Day | |
| 5/9/1955, Mon | Ramadan Begins | |
| 5/10/1955, Tue | Ramadan Begins | |
| 5/11/1955, Wed | Ramadan Begins | |
| 5/12/1955, Thu | Ramadan Begins | |
| 5/13/1955, Fri | Ramadan Begins | |
| 5/14/1955, Sat | Ramadan Begins | |
| 5/15/1955, Sun | Ramadan Begins | |
| 5/16/1955, Mon | Ramadan Begins | |
| 5/17/1955, Tue | Ramadan Begins | |
| 5/18/1955, Wed | Ramadan Begins | |
| 5/19/1955, Thu | Ramadan Begins | |
| 5/20/1955, Fri | Ramadan Begins | |
| 5/21/1955, Sat | Ramadan Begins | |
| 5/22/1955, Sun | Ramadan Begins | |
| 5/24/1955, Tue | Ramazan Festival Day ( Id-Ul-Fitr) | |
| 6/5/1955, Sun | Poson Full Moon Poya Day | |
| 7/5/1955, Tue | Esala Full Moon Poya Day | |
| 7/31/1955, Sun | Hadji Festival Day/ Id-Ul-Alha | |
| 8/4/1955, Thu | Nikini Full Moon Poya Day | |
| 9/2/1955, Fri | Binara Full Moon Poya Day | |
| 10/2/1955, Sun | Vap Full Moon Poya Day | |
| 10/30/1955, Sun | Milad-Un-Nabi | |
| 10/31/1955, Mon | Adhi Vap Full Moon Poya Day | |
| 11/14/1955, Mon | Deepavali Festival | |
| 11/29/1955, Tue | Il Full Moon Poya Day | |
| 12/25/1955, Sun | Christmas Day | |
| 12/26/1955, Mon | Christmas Day: Additional Observance Day | |
| 12/29/1955, Thu | Unduvap Full Moon Poya Day/Sanga Mitta Day |