New Year's Day
St. Patrick's Day
St. Patrick's Day (subs)
Easter Monday
May Day Bank Holiday
June Bank Holiday
Summer Bank Holiday
October Bank Holiday
Christmas Day
St. Stephen's Day
  January
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1399
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# Date Public holiday
1Tuesday, 1 January 1399 New Year's Day
2Sunday, 17 March 1399 St. Patrick's Day
3Monday, 18 March 1399 St. Patrick's Day (substitute day)
4Monday, 1 April 1399 Easter Monday
5Monday, 6 May 1399 Early May Bank Holiday
6Monday, 3 June 1399 June Bank Holiday
7Monday, 5 August 1399 Summer Bank Holiday
8Monday, 28 October 1399 October Bank Holiday
9Wednesday, 25 December 1399 Christmas Day
10Thursday, 26 December 1399 St. Stephen's Day