| 1/1/1964, Wed | New Year's Day |
- Note
- A statutory public holiday (Awal Tahun Masihi).
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| 1/16/1964, Thu | First Day of Ramadan |
- Note
- A statutory public holiday (Awal Ramadan).
|
| 2/1/1964, Sat | Nuzul Al-Quran |
- Note
- A statutory public holiday commemorating the revelation of the Qur'an.
|
| 2/13/1964, Thu | Chinese New Year |
- Note
- A statutory public holiday (Tahun Baru Cina).
|
| 2/15/1964, Sat | Hari Raya Aidil Fitri (Day 1) |
- Note
- A statutory public holiday.
|
| 2/17/1964, Mon | Hari Raya Aidil Fitri (Day 2): Actual Observance Day |
- Note
- A statutory public holiday.
|
| 2/17/1964, Mon | Hari Raya Aidil Fitri (Day 3) |
- Note
- A statutory public holiday.
|
| 2/24/1964, Mon | National Day of Brunei Darussalam: Actual Observance Day |
- Note
- A statutory public holiday (Hari Kebangsaan).
|
| 4/23/1964, Thu | Hari Raya Aidil Adha |
- Note
- A statutory public holiday.
|
| 5/13/1964, Wed | Islamic New Year |
- Note
- A statutory public holiday.
|
| 6/1/1964, Mon | Royal Brunei Armed Forces Day: Actual Observance Day |
- Note
- A statutory public holiday.
|
| 7/15/1964, Wed | H.M. The Sultan's Birthday |
- Note
- A statutory public holiday. H.M. Sultan Haji Hassanal Bolkiah's Birthday (born 15 July 1946).
|
| 7/22/1964, Wed | Prophet Muhammad's Birthday |
- Note
- A statutory public holiday (Maulud Nabi Muhammad SAW).
|
| 12/2/1964, Wed | Isra' and Mi'raj |
- Note
- A statutory public holiday commemorating the Prophet Muhammad's night journey and ascension.
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| 12/28/1964, Mon | Christmas Day: Actual Observance Day |
- Note
- A statutory public holiday.
|