British public holidays in 2012

2 January - New Year’s Day* 
6 April - Good Friday
9 April - Easter Monday
7 May - Early May Bank Holiday
4 June - Spring Bank Holiday*
5 June - Queen's Diamond Jubilee
27 August - Summer Bank Holiday
25 December - Christmas Day
26 December - Boxing Day

* substitute day
When the usual date of a bank or public holiday falls on a Saturday or Sunday, a 'substitute day' is given, normally the following Monday.