| 1/2/2012, Mon | New Year's Day: Actual Observance Day |
- Note
- A statutory public holiday (Awal Tahun Masihi).
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| 1/23/2012, Mon | Chinese New Year |
- Note
- A statutory public holiday (Tahun Baru Cina).
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| 2/6/2012, Mon | Prophet Muhammad's Birthday: Actual Observance Day |
- Note
- A statutory public holiday (Maulud Nabi Muhammad SAW).
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| 2/23/2012, Thu | National Day of Brunei Darussalam |
- Note
- A statutory public holiday (Hari Kebangsaan).
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| 5/31/2012, Thu | Royal Brunei Armed Forces Day |
- Note
- A statutory public holiday.
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| 6/18/2012, Mon | Isra' and Mi'raj: Actual Observance Day |
- Note
- A statutory public holiday commemorating the Prophet Muhammad's night journey and ascension.
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| 7/16/2012, 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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| 7/23/2012, Mon | First Day of Ramadan: Actual Observance Day |
- Note
- A statutory public holiday (Awal Ramadan).
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| 8/6/2012, Mon | Nuzul Al-Quran: Actual Observance Day |
- Note
- A statutory public holiday commemorating the revelation of the Qur'an.
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| 8/20/2012, Mon | Hari Raya Aidil Fitri (Day 1): Actual Observance Day |
- Note
- A statutory public holiday.
|
| 8/20/2012, Mon | Hari Raya Aidil Fitri (Day 2) |
- Note
- A statutory public holiday.
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| 8/21/2012, Tue | Hari Raya Aidil Fitri (Day 3) |
- Note
- A statutory public holiday.
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| 10/29/2012, Mon | Hari Raya Aidil Adha: Actual Observance Day |
- Note
- A statutory public holiday.
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| 11/15/2012, Thu | Islamic New Year |
- Note
- A statutory public holiday.
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| 12/25/2012, Tue | Christmas Day |
- Note
- A statutory public holiday.
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