1999 Holidays and Events in Northern Ireland
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1999, Fri | New Year's Day | |
| 3/28/1999, Sun | Palm Sunday | |
| 4/2/1999, Fri | Good Friday | |
| 4/3/1999, Sat | Holy Saturday | |
| 4/4/1999, Sun | Easter | |
| 4/5/1999, Mon | Easter Monday | |
| 5/3/1999, Mon | Early May Bank Holiday | |
| 5/31/1999, Mon | Spring Bank Holiday | |
| 6/12/1999, Sat | Queen's Birthday | |
| 7/12/1999, Mon | Orangeman's Day & Parade | |
| 8/30/1999, Mon | Summer Bank Holiday | |
| 10/31/1999, Sun | Halloween | |
| 12/24/1999, Fri | Christmas Eve | |
| 12/25/1999, Sat | Christmas Day | |
| 12/26/1999, Sun | Boxing Day | |
| 12/27/1999, Mon | Christmas Day: Additional Observance Day | |
| 12/28/1999, Tue | Boxing Day: Additional Observance Day | |
| 12/31/1999, Fri | New Year's Eve |