Indonesia: Idul AdhaBy kpsadmin2018 / August 9, 2018 Calendar When: October 15, 2013 all-day 2013-10-15T00:00:00+08:00 2013-10-16T00:00:00+08:00 Where: Indonesia . Commemorates the Prophet Abrahams willingness to sacrifice everything for God Information provided by www.officeholidays.com