Public holidays
1671, United Kingdom, Northern Ireland
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1671 | New Year's Day |
| 2 | Tuesday, 17 March 1671 | St. Patrick's Day |
| 3 | Friday, 27 March 1671 | Good Friday |
| 4 | Monday, 30 March 1671 | Easter Monday |
| 5 | Monday, 25 May 1671 | Spring Bank Holiday |
| 6 | Monday, 13 July 1671 | Orangemen's Day |
| 7 | Monday, 31 August 1671 | Late Summer Bank Holiday |
| 8 | Friday, 25 December 1671 | Christmas Day |
| 9 | Monday, 28 December 1671 | Boxing Day (substitute day) |