Sunday 1 Jan New Year's Day
Monday 23 Jan Chinese New Year — Day 1
Tuesday 24 Jan Chinese New Year — Day 2
Sunday 5 Feb The Prophet Muhammad’s Birthday
Tuesday 1 May Labour Day
Saturday 5 May Wesak Day
Saturday 2 Jun The Yang di-Pertuan Agong’s Birthday
Sunday 19 Aug Hari Raya Puasa — Day 1
Monday 20 Aug Hari Raya Puasa — Day 2
Friday 31 Aug National Day
Sunday 16 Sep Hari Malaysia (Malaysia Day)
Friday 26 Oct Hari Raya Haji
Tuesday 13 Nov Diwali
Thursday 15 Nov Awal Muharram
Tuesday 25 Dec Christmas Day
Source: http://holidaystracker.com/calendar/malaysia-public-holidays-2012/