| sitesworld.comDate | Name | Notes |
|---|
| January 1 | New Year's Day | Public holiday is the 2 January if 1 January is a Sunday; public holiday is the 3 January if 1 January is a Saturday |
| March or April | Good Friday | |
| March or April | Easter Monday | |
| 3rd Monday in April | Queen's Birthday | (Elizabeth II's actual birthday is April 21) |
| May 21 | Saint Helena Day | Public holiday is the nearest Monday, if May 21 is not a Monday |
| May or June | Ascension Day | Ascension Island and Tristan da Cunha only |
| May or June | Whit Monday | |
| May or June | Ratting Day | Tristan da Cunha only (date varies each year) |
| August 14 | Anniversary Day | Tristan da Cunha only |
| Last Monday in August | August Bank Holiday | not Tristan da Cunha |
| December 25 | Christmas Day | The public holiday may be on a different day — see Boxing Day#Date |
| December 26 or 27 | Boxing Day | If the 26 December is a Sunday, then Boxing Day is held on 27 December; the public holiday may be on a different day — see Boxing Day#Datesitesworld.com |