Public holidays
1820, Russia
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1820 | New Year Holiday |
| 2 | Sunday, 2 January 1820 | New Year Holiday |
| 3 | Monday, 3 January 1820 | New Year Holiday |
| 4 | Tuesday, 4 January 1820 | New Year Holiday |
| 5 | Wednesday, 5 January 1820 | New Year Holiday |
| 6 | Thursday, 6 January 1820 | New Year Holiday |
| 7 | Friday, 7 January 1820 | New Year Holiday |
| 8 | Saturday, 8 January 1820 | New Year Holiday |
| 9 | Wednesday, 23 February 1820 | Defender of the Fatherland Day |
| 10 | Wednesday, 8 March 1820 | Women's Day |
| 11 | Monday, 10 April 1820 | Orthodox Easter |
| 12 | Monday, 1 May 1820 | Spring and Labour Day |
| 13 | Tuesday, 9 May 1820 | Victory Day |
| 14 | Monday, 12 June 1820 | Russia Day |
| 15 | Saturday, 4 November 1820 | Unity Day |
| 16 | Monday, 6 November 1820 | Unity Day |