New Year's Day (subs)
St. Patrick's Day
Good Friday
Easter Monday
May Day Bank Holiday
Spring Bank Holiday
Orangemen's Day
Late Summer Bank Hol.
Christmas Day (subs)
Boxing Day (subs)
  January
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# Date Public holiday
1Monday, 3 January 1639 New Year's Day (substitute day)
2Thursday, 17 March 1639 St. Patrick's Day
3Friday, 22 April 1639 Good Friday
4Monday, 25 April 1639 Easter Monday
5Monday, 2 May 1639 Early May Bank Holiday
6Monday, 30 May 1639 Spring Bank Holiday
7Tuesday, 12 July 1639 Orangemen's Day
8Monday, 29 August 1639 Late Summer Bank Holiday
9Monday, 26 December 1639 Christmas Day (substitute day)
10Tuesday, 27 December 1639 Boxing Day (substitute day)