Public holidays
1858, United Kingdom, Northern Ireland
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1858 | New Year's Day |
| 2 | Wednesday, 17 March 1858 | St. Patrick's Day |
| 3 | Friday, 2 April 1858 | Good Friday |
| 4 | Monday, 5 April 1858 | Easter Monday |
| 5 | Monday, 31 May 1858 | Spring Bank Holiday |
| 6 | Monday, 12 July 1858 | Orangemen's Day |
| 7 | Monday, 30 August 1858 | Late Summer Bank Holiday |
| 8 | Monday, 27 December 1858 | Christmas Day (substitute day) |
| 9 | Tuesday, 28 December 1858 | Boxing Day (substitute day) |