Indonesia: Independence DayBy kpsadmin2018 / August 9, 2018 Calendar When: August 17, 2015 all-day 2015-08-17T00:00:00+08:00 2015-08-18T00:00:00+08:00 Where: Indonesia . Marks Indonesia’s declaration of independence from the Netherlands in 1945 Information provided by www.officeholidays.com