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
 ‹ 1803
1804
1805 › 
# Date Public holiday
1Monday, 2 January 1804 New Year's Day (substitute day)
2Saturday, 17 March 1804 St. Patrick's Day
3Monday, 19 March 1804 St. Patrick's Day (substitute day)
4Monday, 2 April 1804 Easter Monday
5Monday, 7 May 1804 Early May Bank Holiday
6Monday, 4 June 1804 June Bank Holiday
7Monday, 6 August 1804 Summer Bank Holiday
8Monday, 29 October 1804 October Bank Holiday
9Tuesday, 25 December 1804 Christmas Day
10Wednesday, 26 December 1804 St. Stephen's Day