30 August 2011 is to celebrate the Muslim Holiday. We call Hari Raya Aidilfitri Holiday or Eid Holiday. In Hijriah (Islamic Date) calendar, it falls on 1 Syawal 1431.
It is a Muslim holiday that marks the end of Ramadan 2011 / Ramadhan 2011, the Islamic holy month of “Puasa” (fasting). The holiday symbolizes the breaking of the fasting period. It is celebrated starting on the first day of the Islamic month of Shawwal / Syawal.