Day Date Month Holiday Tuesday 1 Jan New Year's Day Tuesday 5 Feb Chinese New Year Wednesday 3 Apr Israk and Mikraj Monday 6 May Awal Ramadhan Wednesday 22 May Nuzul Al-Quran Friday 31 May Royal Brunei Armed Forces (RBAF) Day Wednesday 5 Jun Hari Raya Aidil Fitri Thursday 6 Jun Hari Raya Aidil Fitri Friday 7 Jun Hari Raya Aidil Fitri Monday 15 Jul His Majesty the Sultan's Birthday Monday 12 Aug Substitution for Hari Raya Aidil Adha (Sunday 11th Aug 2019) Monday 2 Sep Substitution for Islamic New Year (Sunday 1st Sep 2019) Wednesday 25 Dec Christmas Day Source: Prime Minister's Office Of Brunei Darussalam