New Year's Day
St. Patrick's Day
Easter Monday
May Day Bank Holiday
June Bank Holiday
Summer Bank Holiday
October Bank Holiday
Christmas Day
St. Stephen's Day (subs)
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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1665
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# Date Public holiday
1Thursday, 1 January 1665 New Year's Day
2Tuesday, 17 March 1665 St. Patrick's Day
3Monday, 6 April 1665 Easter Monday
4Monday, 4 May 1665 Early May Bank Holiday
5Monday, 1 June 1665 June Bank Holiday
6Monday, 3 August 1665 Summer Bank Holiday
7Monday, 26 October 1665 October Bank Holiday
8Friday, 25 December 1665 Christmas Day
9Monday, 28 December 1665 St. Stephen's Day (substitute day)