2021
| Date | Day of week | Holiday | Notes |
| January 1, 2021 | Friday | New Year's Day | |
| January 4, 2021 | Monday | Day after New Year’s day | Scotland only |
| March 1, 2021 | Monday | St. David's Day | Wales only |
| March 17, 2021 | Wednesday | St.Patrick's Day | Northern Ireland only |
| April 2, 2021 | Friday | Good Friday | |
| April 5, 2021 | Monday | Easter Monday | Except Scotland |
| April 23, 2021 | Friday | St. George's Day | |
| May 3, 2021 | Monday | Early May Bank Holiday | |
| May 31, 2021 | Monday | Spring Bank Holiday | Last Monday in May |
| July 12, 2021 | Monday | Battle of Boyne Day | Northern Ireland only |
| August 2, 2021 | Monday | Summer Bank Holiday | Scotland only |
| August 30, 2021 | Monday | Summer Bank Holiday | Except Scotland |
| November 30, 2021 | Tuesday | St. Andrew's Day | Scotland only |
| December 25, 2021 | Saturday | Christmas Day | |
| December 27, 2021 | Monday | Christmas Day observed | |
| December 28, 2021 | Tuesday | Boxing Day observed | |
| December 29, 2021 | Wednesday | Bank Holiday | Northern Ireland only |
