Public holidays
2231, Serbia
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 2231 | New Year's Day |
| 2 | Sunday, 2 January 2231 | New Year's Holiday |
| Monday, 3 January 2231 | New Year's Holiday (observance) | |
| 3 | Friday, 7 January 2231 | Orthodox Christmas Day |
| 4 | Tuesday, 15 February 2231 | National Day |
| 5 | Wednesday, 16 February 2231 | National Day Holiday |
| 6 | Wednesday, 20 April 2231 | Great Friday |
| 7 | Thursday, 21 April 2231 | Orthodox Easter Saturday |
| 8 | Friday, 22 April 2231 | Orthodox Easter |
| 9 | Saturday, 23 April 2231 | Orthodox Easter Monday |
| 10 | Sunday, 1 May 2231 | May Day |
| 11 | Monday, 2 May 2231 | May Day Holiday |
| Tuesday, 3 May 2231 | May Day (observance) | |
| 12 | Friday, 11 November 2231 | Armistice Day |