According to the schedule of the dates of moon sighting of the holy month of Muharram of the year 1440 AH, published on the official website of the Office of the supreme religious authority Sayed Ali al-Sistani in Najaf: “It is expected to see the moon of the holy month of Muharram on Monday 29th of Dhu al-Hijjah 1439 AH corresponding to September 10, 2018 in the horizon of th eholy city of Najaf at the sunset at 6:18 pm.”
The schedule explained that the lighted side of the crescent will be of 1.25 %, and in this case, it is expected to see the crescent with the naked eye in the case of clear weather. And then the first day of the holy month of Muharram will be on the first day of the holy month of Muharram on Tuesday, September 11, 2018.
Source: Shafaqna