Thursday 01 Jan New Year 2015
Thursday 19 Feb Chinese New Year
Friday 03 Apr Good Friday
Friday 01 May Labor Day
Thursday 14 May Ascension Day of Jesus Christ
Tuesday 02 Jun Birth of Buddha 2559 (Vesak Day)
Thursday 16 Jul Public Holiday (Commemoration of Ied ul-Fitr 1436 Hijriyah)
Friday 17 Jul Ied ul-Fitr 1 Syawal 1436 Hijriyah
Monday 20 Jul Public Holiday (Commemoration of Ied ul-Fitr 1436 Hijriyah)
Tuesday 21 Jul Public Holiday (Commemoration of Ied ul-Fitr 1436 Hijriyah)
Monday 17 Aug The Independence Day of Indonesia
Thursday 24 Sep Eid ul-Adha 1436 Hijriyah
Wednesday 14 Oct Islamic New Year 1437 Hijriyah
Thursday 24 Dec Public Holiday (Commemoration of Christmas Day)
Friday 25 Dec Christmas Day
Thursday 31 Dec Trading Holidays
Source: http://www.idx.co.id/Home/NewsAndAnnouncement/TradingHoliday/tabid/132/language/en-US/Default.aspx