1931 Holidays and Events in Sri Lanka
| Additional Information | Date | Name |
|---|---|---|
| 1/4/1931, Sun | Durutha Full Moon Poya Day | |
| 1/13/1931, Tue | Tamil Thai Pongal | |
| 1/20/1931, Tue | Ramadan Begins | |
| 1/21/1931, Wed | Ramadan Begins | |
| 1/22/1931, Thu | Ramadan Begins | |
| 1/23/1931, Fri | Ramadan Begins | |
| 1/24/1931, Sat | Ramadan Begins | |
| 1/25/1931, Sun | Ramadan Begins | |
| 1/26/1931, Mon | Ramadan Begins | |
| 1/27/1931, Tue | Ramadan Begins | |
| 1/28/1931, Wed | Ramadan Begins | |
| 1/29/1931, Thu | Ramadan Begins | |
| 1/30/1931, Fri | Ramadan Begins | |
| 1/31/1931, Sat | Ramadan Begins | |
| 2/1/1931, Sun | Ramadan Begins | |
| 2/2/1931, Mon | Ramadan Begins | |
| 2/3/1931, Tue | Nawam Full Moon Poya Day | |
| 2/3/1931, Tue | Ramadan Begins | |
| 2/4/1931, Wed | Independence Day/National Day | |
| 2/4/1931, Wed | Ramadan Begins | |
| 2/5/1931, Thu | Ramadan Begins | |
| 2/6/1931, Fri | Ramadan Begins | |
| 2/7/1931, Sat | Ramadan Begins | |
| 2/8/1931, Sun | Ramadan Begins | |
| 2/9/1931, Mon | Ramadan Begins | |
| 2/10/1931, Tue | Ramadan Begins | |
| 2/11/1931, Wed | Ramadan Begins | |
| 2/12/1931, Thu | Ramadan Begins | |
| 2/13/1931, Fri | Ramadan Begins | |
| 2/14/1931, Sat | Ramadan Begins | |
| 2/15/1931, Sun | Ramadan Begins | |
| 2/16/1931, Mon | Maha Sivarathri Day | |
| 2/16/1931, Mon | Ramadan Begins | |
| 2/17/1931, Tue | Ramadan Begins | |
| 2/18/1931, Wed | Ramadan Begins | |
| 2/20/1931, Fri | Ramazan Festival Day ( Id-Ul-Fitr) | |
| 3/4/1931, Wed | Medin Full Moon Poya Day | |
| 4/3/1931, Fri | Bak Full Moon Poya Day | |
| 4/3/1931, Fri | Good Friday | |
| 4/13/1931, Mon | Sinhala and Tamil New Year's Eve | |
| 4/14/1931, Tue | Sinhala and Tamil New Year's Day | |
| 4/29/1931, Wed | Hadji Festival Day/ Id-Ul-Alha | |
| 5/1/1931, Fri | May Day | |
| 5/2/1931, Sat | Vesak Full Moon Poya Day | |
| 5/3/1931, Sun | Vesak Full Moon Poya Day | |
| 5/31/1931, Sun | Adhi Vesak Full Moon Poya Day | |
| 6/1/1931, Mon | Adhi Vesak Full Moon Poya Day | |
| 6/30/1931, Tue | Poson Full Moon Poya Day | |
| 7/29/1931, Wed | Esala Full Moon Poya Day | |
| 7/29/1931, Wed | Milad-Un-Nabi | |
| 8/28/1931, Fri | Nikini Full Moon Poya Day | |
| 9/27/1931, Sun | Binara Full Moon Poya Day | |
| 10/26/1931, Mon | Vap Full Moon Poya Day | |
| 11/10/1931, Tue | Deepavali Festival | |
| 11/25/1931, Wed | Il Full Moon Poya Day | |
| 12/25/1931, Fri | Unduvap Full Moon Poya Day/Sanga Mitta Day | |
| 12/25/1931, Fri | Christmas Day |