Thursday 1 Jan New Year 2008 19
Friday 2 Jan Public Holiday
Monday 26 Jan Chinese New Year 2560
(February No trading holidays, except for Saturday and Sunday)
Monday 9 Mar Birthday of the prophet Muhammad SAW 20
Thursday 26 Mar Saka’s New Year 1931 (Nyepi)
Friday 10 Apr Good Friday 21
Thursday 21 May Ascension Day of Jesus Christ 20
(June No trading holidays, except for Saturday and Sunday 22)
Monday 20 Jul Isra’ Mi’raj of the prophet Muhammad SAW 22
Monday 17 Aug The Independence Day of Indonesia 20
Friday 18 Sep Public Holiday (Commemoration of Ied Fitr 1 Syawal 1430 H) 18
Monday 21 Sep Ied Fitr 1 Syawal 1430 H
Tuesday 22 Sep Ied Fitr 1 Syawal 1430 H
Wednesday 23 Sep Public Holiday (Commemoration of Ied Fitr 1 Syawal 1430 H)
(October No trading holidays, except for Saturday and Sunday 22)
Friday 27 Nov Ied Adha 1430 H 20
Friday 18 Dec Islamic New Year 1431 H 19
Thursday 24 Dec Public Holiday (Commemoration of Christmas Day)
Friday 25 Dec Christmas Day
Thursday 31 Dec Trading Holiday
Note:
1. The above trading holidays are set based on the Decrees of the Minister of Religion (SKB) No. 04 Year 2008, the Minister of Manpower and Transmigration No. KEP 115/MEN/VI/2008, and the Minister of State for Efficiency of the State Apparatus No. SKB/06/M.PAN/6/2008 on June 9, 2008 regarding National Holidays and National Leaves 2009.
2. Beside as mentioned above, a trading holiday can be announced later if Bank Indonesia closes all clearing activities or if the government of Indonesia announces another national holiday.
Source: http://www.idx.co.id/MainMenu/Trading/TradingHoliday/tabid/85/lang/en-US/language/en-US/Default.aspx