Indonesia: Independence DayBy kpsadmin2018 / July 10, 2018 Calendar When: August 17, 2019 all-day 2019-08-17T00:00:00+08:00 2019-08-18T00:00:00+08:00 Where: Indonesia Umum . Marks Indonesia’s declaration of independence from the Netherlands in 1945 Information provided by www.officeholidays.com