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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 ‹ 1279
1280
1281 › 
# Date Public holiday
1Monday, 1 January 1280 New Year's Day
2Sunday, 17 March 1280 St. Patrick's Day
3Monday, 18 March 1280 St. Patrick's Day (substitute day)
4Monday, 1 April 1280 Easter Monday
5Monday, 6 May 1280 Early May Bank Holiday
6Monday, 3 June 1280 June Bank Holiday
7Monday, 5 August 1280 Summer Bank Holiday
8Monday, 28 October 1280 October Bank Holiday
9Wednesday, 25 December 1280 Christmas Day
10Thursday, 26 December 1280 St. Stephen's Day