The clock reflects a goal by some Muslims to replace the 126-year-old Universal Time standard — originally called Greenwich Mean Time (GMT) — with Makkah mean time. Time (GMT) — with Makkah mean time.
Saudi Arabia will test what it is billing as the world’s largest clock in the holy city of Makka during Ramadan.
Muslims worldwide face during daily prayers and is part of Saudi efforts to develop the city visited by millions of pilgrims every year.
Three-month test run will start during the first week of Ramadan.