1 Jan New Year's Day 29 Jan Chinese New Year 31 Jan Muharram (Islamic New Year) 11 Apr Mouloud (Birth of the Prophet) 14 Apr Good Friday 13 May Waisak Day (Buddha's Birthday) 25 May Ascension Thursday 17 Aug Indonesian National Day 22 Aug Lailat al-Miraj (Ascension of the Prophet) 24 Oct Id al Fitr (End of Ramadan) 25 Dec Christmas Day Source: http://www.earthcalendar.net/_php/lookup.php?mode=country