Public holidays
2121, Serbia
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 2121 | New Year's Day |
| 2 | Thursday, 2 January 2121 | New Year's Holiday |
| 3 | Tuesday, 7 January 2121 | Orthodox Christmas Day |
| 4 | Saturday, 15 February 2121 | National Day |
| 5 | Sunday, 16 February 2121 | National Day Holiday |
| Monday, 17 February 2121 | National Day Holiday (observance) | |
| 6 | Thursday, 10 April 2121 | Great Friday |
| 7 | Friday, 11 April 2121 | Orthodox Easter Saturday |
| 8 | Saturday, 12 April 2121 | Orthodox Easter |
| 9 | Sunday, 13 April 2121 | Orthodox Easter Monday |
| 10 | Thursday, 1 May 2121 | May Day |
| 11 | Friday, 2 May 2121 | May Day Holiday |
| 12 | Tuesday, 11 November 2121 | Armistice Day |