1977 Holidays and Events in Sri Lanka
| Additional Information | Date | Name |
|---|---|---|
| 1/5/1977, Wed | Durutha Full Moon Poya Day | |
| 1/13/1977, Thu | Tamil Thai Pongal | |
| 2/4/1977, Fri | Nawam Full Moon Poya Day | |
| 2/4/1977, Fri | Independence Day/National Day | |
| 2/17/1977, Thu | Maha Sivarathri Day | |
| 3/4/1977, Fri | Milad-Un-Nabi | |
| 3/5/1977, Sat | Medin Full Moon Poya Day | |
| 4/4/1977, Mon | Bak Full Moon Poya Day | |
| 4/8/1977, Fri | Good Friday | |
| 4/13/1977, Wed | Sinhala and Tamil New Year's Eve | |
| 4/14/1977, Thu | Sinhala and Tamil New Year's Day | |
| 5/1/1977, Sun | May Day | |
| 5/2/1977, Mon | May Day: Additional Observance Day | |
| 5/3/1977, Tue | Vesak Full Moon Poya Day | |
| 5/4/1977, Wed | Vesak Full Moon Poya Day | |
| 6/2/1977, Thu | Poson Full Moon Poya Day | |
| 7/1/1977, Fri | Esala Full Moon Poya Day | |
| 7/30/1977, Sat | Adhi Esala Full Moon Poya Day | |
| 8/16/1977, Tue | Ramadan Begins | |
| 8/17/1977, Wed | Ramadan Begins | |
| 8/18/1977, Thu | Ramadan Begins | |
| 8/19/1977, Fri | Ramadan Begins | |
| 8/20/1977, Sat | Ramadan Begins | |
| 8/21/1977, Sun | Ramadan Begins | |
| 8/22/1977, Mon | Ramadan Begins | |
| 8/23/1977, Tue | Ramadan Begins | |
| 8/24/1977, Wed | Ramadan Begins | |
| 8/25/1977, Thu | Ramadan Begins | |
| 8/26/1977, Fri | Ramadan Begins | |
| 8/27/1977, Sat | Ramadan Begins | |
| 8/28/1977, Sun | Ramadan Begins | |
| 8/29/1977, Mon | Ramadan Begins | |
| 8/29/1977, Mon | Nikini Full Moon Poya Day | |
| 8/30/1977, Tue | Ramadan Begins | |
| 8/31/1977, Wed | Ramadan Begins | |
| 9/1/1977, Thu | Ramadan Begins | |
| 9/2/1977, Fri | Ramadan Begins | |
| 9/3/1977, Sat | Ramadan Begins | |
| 9/4/1977, Sun | Ramadan Begins | |
| 9/5/1977, Mon | Ramadan Begins | |
| 9/6/1977, Tue | Ramadan Begins | |
| 9/7/1977, Wed | Ramadan Begins | |
| 9/8/1977, Thu | Ramadan Begins | |
| 9/9/1977, Fri | Ramadan Begins | |
| 9/10/1977, Sat | Ramadan Begins | |
| 9/11/1977, Sun | Ramadan Begins | |
| 9/12/1977, Mon | Ramadan Begins | |
| 9/13/1977, Tue | Ramadan Begins | |
| 9/14/1977, Wed | Ramadan Begins | |
| 9/16/1977, Fri | Ramazan Festival Day ( Id-Ul-Fitr) | |
| 9/27/1977, Tue | Binara Full Moon Poya Day | |
| 10/27/1977, Thu | Vap Full Moon Poya Day | |
| 11/11/1977, Fri | Deepavali Festival | |
| 11/23/1977, Wed | Hadji Festival Day/ Id-Ul-Alha | |
| 11/25/1977, Fri | Il Full Moon Poya Day | |
| 12/25/1977, Sun | Unduvap Full Moon Poya Day/Sanga Mitta Day | |
| 12/25/1977, Sun | Christmas Day | |
| 12/26/1977, Mon | Christmas Day: Additional Observance Day |