| 1/1/1955, Sat | New Year's Day |
- Note
- A statutory public holiday (Awal Tahun Masihi).
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| 1/24/1955, Mon | Chinese New Year |
- Note
- A statutory public holiday (Tahun Baru Cina).
|
| 2/23/1955, Wed | National Day of Brunei Darussalam |
- Note
- A statutory public holiday (Hari Kebangsaan).
|
| 3/21/1955, Mon | Isra' and Mi'raj |
- Note
- A statutory public holiday commemorating the Prophet Muhammad's night journey and ascension.
|
| 4/23/1955, Sat | First Day of Ramadan |
- Note
- A statutory public holiday (Awal Ramadan).
|
| 5/9/1955, Mon | Nuzul Al-Quran |
- Note
- A statutory public holiday commemorating the revelation of the Qur'an.
|
| 5/23/1955, Mon | Hari Raya Aidil Fitri (Day 1) |
- Note
- A statutory public holiday.
|
| 5/24/1955, Tue | Hari Raya Aidil Fitri (Day 2) |
- Note
- A statutory public holiday.
|
| 5/25/1955, Wed | Hari Raya Aidil Fitri (Day 3) |
- Note
- A statutory public holiday.
|
| 5/31/1955, Tue | Royal Brunei Armed Forces Day |
- Note
- A statutory public holiday.
|
| 7/18/1955, Mon | H.M. The Sultan's Birthday: Actual Observance Day |
- Note
- A statutory public holiday. H.M. Sultan Haji Hassanal Bolkiah's Birthday (born 15 July 1946).
|
| 7/30/1955, Sat | Hari Raya Aidil Adha |
- Note
- A statutory public holiday.
|
| 8/20/1955, Sat | Islamic New Year |
- Note
- A statutory public holiday.
|
| 10/29/1955, Sat | Prophet Muhammad's Birthday |
- Note
- A statutory public holiday (Maulud Nabi Muhammad SAW).
|
| 12/26/1955, Mon | Christmas Day: Actual Observance Day |
- Note
- A statutory public holiday.
|