St Patrick’s Day (Northern Ireland) by diviadmin | May 19, 2017 Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: 17th March 2018 all-day 2018-03-17T00:00:00+00:00 2018-03-18T00:00:00+00:00 Public holiday in: Northern Ireland