Monday 02 Jan New Year's Day (In substitution for Sunday, 1 January 2012)
Monday 23 Jan Chinese New Year
Monday 06 Feb Prophet Muhammad (PBUH) Birthday Anniversary (In substitution for Sunday, 5 February 2012)
Thursday 23 Feb Brunei Darussalam 28th National Day
Thursday 31 May Royal Brunei Armed Forces Day
Monday 18 Jun Isra' Mi'raj
Monday 16 Jul His Majesty The Sultan and Yang Di-Pertuan of Brunei Darussalam's 66th Birthday(In substitution for Sunday, 15 July 2012)
Saturday 21 Jul 1st Day of Ramadhan 1432
Monday 06 Aug Nuzul Al-Quraan
Monday 20 Aug Hari Raya Aidil Fitri (In substitution for Sunday, 19th August 2012 and Tuesday, 21st August 2012)
Saturday 27 Oct Hari Raya Aidil Adha (In substitution for Friday, 26th October 2012)
Thursday 15 Nov 1st Day of Muharram 1434 (Islamic Calendar)
Tuesday 25 Dec Christmas Day
Source: http://www.information.gov.bn/pressroom/content/view/447/74/