Indonesia: MuharramBy kpsadmin2018 / October 10, 2018 Calendar When: August 20, 2020 all-day 2020-08-20T00:00:00+08:00 2020-08-21T00:00:00+08:00 Where: Indonesia Islamic New Year. Marks Islamic New Year and the Prophet Muhammad’s journey from Mecca to Medina in 622AD. Information provided by www.officeholidays.com