Saudi Arabia has revised decision about Muharram start date and now Saudi Government announced that Muharram was started on 27 December. Earlier, Saudi government announced that Muharram was started on 26 December. According to an Arab Newspaper, Supreme Judicial Council of Saudi Arabia has revised its last decision about moon sighting of 1433 Hijri.
After this update in Saudi Calendar, Islamic calendar of United Arab Emirates (UAE), Pakistan and Saudi Arab are now same. It means Ashura was on 6 December in these countries.