| 1/1/1900, Mon | New Year's Day |
- Note
- A statutory public holiday (Awal Tahun Masihi).
|
| 1/22/1900, Mon | Nuzul Al-Quran: Actual Observance Day |
- Note
- A statutory public holiday commemorating the revelation of the Qur'an.
|
| 1/31/1900, Wed | Chinese New Year |
- Note
- A statutory public holiday (Tahun Baru Cina).
|
| 2/3/1900, Sat | Hari Raya Aidil Fitri (Day 2) |
- Note
- A statutory public holiday.
|
| 2/5/1900, Mon | Hari Raya Aidil Fitri (Day 1): Actual Observance Day |
- Note
- A statutory public holiday.
|
| 2/5/1900, Mon | Hari Raya Aidil Fitri (Day 3): Actual Observance Day |
- Note
- A statutory public holiday.
|
| 2/26/1900, Mon | National Day of Brunei Darussalam: Actual Observance Day |
- Note
- A statutory public holiday (Hari Kebangsaan).
|
| 4/11/1900, Wed | Hari Raya Aidil Adha |
- Note
- A statutory public holiday.
|
| 5/1/1900, Tue | Islamic New Year |
- Note
- A statutory public holiday.
|
| 5/31/1900, Thu | Royal Brunei Armed Forces Day |
- Note
- A statutory public holiday.
|
| 7/10/1900, Tue | Prophet Muhammad's Birthday |
- Note
- A statutory public holiday (Maulud Nabi Muhammad SAW).
|
| 7/16/1900, 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).
|
| 11/20/1900, Tue | Isra' and Mi'raj |
- Note
- A statutory public holiday commemorating the Prophet Muhammad's night journey and ascension.
|
| 12/24/1900, Mon | First Day of Ramadan: Actual Observance Day |
- Note
- A statutory public holiday (Awal Ramadan).
|
| 12/24/1900, Mon | First Day of Ramadan: Actual Observance Day |
- Note
- A statutory public holiday (Awal Ramadan).
|
| 12/25/1900, Tue | Christmas Day |
- Note
- A statutory public holiday.
|