| 1/1/1905, Sun | New Year's Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 1/2/1905, Mon | New Year's Day: Additional Observance Day |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 4/16/1905, Sun | Palm Sunday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/21/1905, Fri | Good Friday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/22/1905, Sat | Holy Saturday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/23/1905, Sun | Easter |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 4/24/1905, Mon | Easter Monday |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 5/1/1905, Mon | Belfast City Marathon |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Foot Race. Same day as Early May Bank Holiday
|
| 5/1/1905, Mon | Early May Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 5/29/1905, Mon | Spring Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 6/10/1905, Sat | Queen's Birthday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 7/12/1905, Wed | Orangeman's Day & Parade |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 8/28/1905, Mon | Summer Bank Holiday |
- Religion
- –
- Disrespectful to Hold an Event
- –
|
| 10/31/1905, Tue | Halloween |
- Religion
- –
- Disrespectful to Hold an Event
- –
- Note
- Annual fireworks display
|
| 12/24/1905, Sun | Christmas Eve |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/25/1905, Mon | Christmas Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/26/1905, Tue | Boxing Day |
- Religion
- Christian
- Disrespectful to Hold an Event
- –
|
| 12/31/1905, Sun | New Year's Eve |
- Religion
- –
- Disrespectful to Hold an Event
- –
|