Public holidays
1821, United Kingdom, Ireland
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1821 | New Year's Day |
| 2 | Monday, 19 March 1821 | St. Patrick's Day (substitute day) |
| 3 | Monday, 23 April 1821 | Easter Monday |
| 4 | Monday, 4 June 1821 | June Bank Holiday |
| 5 | Monday, 6 August 1821 | Summer Bank Holiday |
| 6 | Monday, 29 October 1821 | October Bank Holiday |
| 7 | Tuesday, 25 December 1821 | Christmas Day |
| 8 | Wednesday, 26 December 1821 | St. Stephen's Day |