Indonesia: Idul AdhaBy kpsadmin2018 / August 13, 2018 Calendar When: July 31, 2020 all-day 2020-07-31T00:00:00+08:00 2020-08-01T00:00:00+08:00 Where: Indonesia . Commemorates the Prophet Abrahams willingness to sacrifice everything for God Information provided by www.officeholidays.com