| 1/1/1977, Sat | New Year's Day |
- Note
- A statutory public holiday (Awal Tahun Masihi).
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| 2/21/1977, Mon | Chinese New Year: Actual Observance Day |
- Note
- A statutory public holiday (Tahun Baru Cina).
|
| 2/23/1977, Wed | National Day of Brunei Darussalam |
- Note
- A statutory public holiday (Hari Kebangsaan).
|
| 3/3/1977, Thu | Prophet Muhammad's Birthday |
- Note
- A statutory public holiday (Maulud Nabi Muhammad SAW).
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| 5/31/1977, Tue | Royal Brunei Armed Forces Day |
- Note
- A statutory public holiday.
|
| 7/14/1977, Thu | Isra' and Mi'raj |
- Note
- A statutory public holiday commemorating the Prophet Muhammad's night journey and ascension.
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| 7/18/1977, 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).
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| 8/16/1977, Tue | First Day of Ramadan |
- Note
- A statutory public holiday (Awal Ramadan).
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| 9/1/1977, Thu | Nuzul Al-Quran |
- Note
- A statutory public holiday commemorating the revelation of the Qur'an.
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| 9/15/1977, Thu | Hari Raya Aidil Fitri (Day 1) |
- Note
- A statutory public holiday.
|
| 9/17/1977, Sat | Hari Raya Aidil Fitri (Day 3) |
- Note
- A statutory public holiday.
|
| 9/19/1977, Mon | Hari Raya Aidil Fitri (Day 2): Actual Observance Day |
- Note
- A statutory public holiday.
|
| 11/22/1977, Tue | Hari Raya Aidil Adha |
- Note
- A statutory public holiday.
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| 12/12/1977, Mon | Islamic New Year |
- Note
- A statutory public holiday.
|
| 12/26/1977, Mon | Christmas Day: Actual Observance Day |
- Note
- A statutory public holiday.
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