From the official gov.uk list

UK bank holidays 2028

Every bank holiday in 2028 for each part of the UK, with substitute days, and how many working days each month has.

England and Wales: 8 bank holidays

New Year’s Day (substitute day)Monday, 3 January 2028
Good FridayFriday, 14 April 2028
Easter MondayMonday, 17 April 2028
Early May bank holidayMonday, 1 May 2028
Spring bank holidayMonday, 29 May 2028
Summer bank holidayMonday, 28 August 2028
Christmas DayMonday, 25 December 2028
Boxing DayTuesday, 26 December 2028

Working days in 2028: 252

Working days per month in England and Wales, 2028
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
20	21	23	18	21	22	21	22	21	22	22	19

Scotland: 9 bank holidays

New Year’s Day (substitute day)Monday, 3 January 2028
2nd January (substitute day)Tuesday, 4 January 2028
Good FridayFriday, 14 April 2028
Early May bank holidayMonday, 1 May 2028
Spring bank holidayMonday, 29 May 2028
Summer bank holidayMonday, 7 August 2028
St Andrew’s DayThursday, 30 November 2028
Christmas DayMonday, 25 December 2028
Boxing DayTuesday, 26 December 2028

Working days in 2028: 251

Working days per month in Scotland, 2028
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
19	21	23	19	21	22	21	22	21	22	21	19

Northern Ireland: 10 bank holidays

New Year’s Day (substitute day)Monday, 3 January 2028
St Patrick’s DayFriday, 17 March 2028
Good FridayFriday, 14 April 2028
Easter MondayMonday, 17 April 2028
Early May bank holidayMonday, 1 May 2028
Spring bank holidayMonday, 29 May 2028
Battle of the Boyne (Orangemen’s Day)Wednesday, 12 July 2028
Summer bank holidayMonday, 28 August 2028
Christmas DayMonday, 25 December 2028
Boxing DayTuesday, 26 December 2028

Working days in 2028: 250

Working days per month in Northern Ireland, 2028
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
20	21	22	18	21	22	20	22	21	22	22	19

Need a count for your own dates? Use the UK working days calculator. Working days here are Monday to Friday minus bank holidays.