Public holidays
1399, United Kingdom, Ireland
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1399 | New Year's Day |
| 2 | Monday, 18 March 1399 | St. Patrick's Day (substitute day) |
| 3 | Monday, 1 April 1399 | Easter Monday |
| 4 | Monday, 3 June 1399 | June Bank Holiday |
| 5 | Monday, 5 August 1399 | Summer Bank Holiday |
| 6 | Monday, 28 October 1399 | October Bank Holiday |
| 7 | Wednesday, 25 December 1399 | Christmas Day |
| 8 | Thursday, 26 December 1399 | St. Stephen's Day |