1821 Holidays and Events in Northern Ireland
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1821, Mon | New Year's Day | |
| 4/15/1821, Sun | Palm Sunday | |
| 4/20/1821, Fri | Good Friday | |
| 4/21/1821, Sat | Holy Saturday | |
| 4/22/1821, Sun | Easter | |
| 4/23/1821, Mon | Easter Monday | |
| 5/7/1821, Mon | Early May Bank Holiday | |
| 5/28/1821, Mon | Spring Bank Holiday | |
| 6/9/1821, Sat | Queen's Birthday | |
| 7/12/1821, Thu | Orangeman's Day & Parade | |
| 8/27/1821, Mon | Summer Bank Holiday | |
| 10/31/1821, Wed | Halloween | |
| 12/24/1821, Mon | Christmas Eve | |
| 12/25/1821, Tue | Christmas Day | |
| 12/26/1821, Wed | Boxing Day | |
| 12/31/1821, Mon | New Year's Eve |