2012: United Kingdom

Day	Date	Holiday	Comments
Monday	January 02	New Years Day (in lieu)	First Monday if 1st is Saturday or Sunday
Tuesday	January 03	Day after New Years Day	Scotland Only
Tuesday	February 21	Pancake Tuesday	Shrove Tuesday
Thursday	March 01	St Davids Day	Wales Only. Not a public holiday.
Sunday	March 18	Mothering Sunday	Not a National Holiday
Monday	March 19	St Patricks Day (observed)	Northern Ireland Only.
Friday	April 06	Good Friday	Friday before Easter Sunday
Monday	April 09	Easter Monday	Monday after Easter Sunday
Monday	April 23	St Georges Day	England Only. Not a National holiday.
Monday	May 07	Early May Bank Holiday	First Monday in May
Monday	June 04	May Bank Holiday	Moves to June 4 in 2012 to create long weekend for Diamond Jubilee
Tuesday	June 05	Queens Diamond Jubilee	Special Holiday
Sunday	June 17	Fathers Day	Third Sunday of June. Not a National Holiday
Thursday	July 12	Battle of the Boyne	Northern Ireland Only
Monday	August 06	August Bank Holiday	Scotland Only. First Monday in August.
Monday	August 27	August Bank Holiday	in August (except Scotland)
Monday	November 05	Guy Fawkes Night	England Only. Not a National holiday.
Friday	November 30	St Andrews Day	Scotland Only. If November 30 falls on a weekend, the next Monday is a bank holiday instead.
Tuesday	December 25	Christmas Day
Wednesday	December 26	Boxing Day	Celebrated on 26th December. Typically it will be moved and celebrated on the next weekday if 26 December is a Saturday or Sunday

National Holiday

Regional Holiday

Not a Public Holiday

Within the United Kingdom, there is no legal definition of what constitutes a public holiday in and it is debatable whether public holidays technically exist in Scotland. The term public holiday is often confused with bank holidays.
In England and Wales a bank holiday tends automatically to be a public holiday and the day is generally observed as a holiday. In Scotland this may not always the case.