New Year's Day (subs)
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
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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1640
1641 › 
# Date Public holiday
1Monday, 2 January 1640 New Year's Day (substitute day)
2Saturday, 17 March 1640 St. Patrick's Day
3Monday, 19 March 1640 St. Patrick's Day (substitute day)
4Monday, 9 April 1640 Easter Monday
5Monday, 7 May 1640 Early May Bank Holiday
6Monday, 4 June 1640 June Bank Holiday
7Monday, 6 August 1640 Summer Bank Holiday
8Monday, 29 October 1640 October Bank Holiday
9Tuesday, 25 December 1640 Christmas Day
10Wednesday, 26 December 1640 St. Stephen's Day