Indonesia: Labour DayBy kpsadmin2018 / August 13, 2018 Calendar When: May 1, 2020 all-day 2020-05-01T00:00:00+08:00 2020-05-02T00:00:00+08:00 Where: Indonesia World Labour day. This holiday is most commonly associated as a commemoration of the achievements of the labor movement Information provided by www.officeholidays.com