Afghanistan, Feb. 17 -- Ramadan is expected to begin Thursday across several Arab states, pending crescent moon sighting that determines start of Islamic fasting month globally.

Al Jazeera reported that the holy month of Ramadan in many Arab countries is likely to begin on Thursday, depending on crescent moon sightings.

In Saudi Arabia and many Muslim-majority countries, the start of Ramadan is officially determined through verified sightings of the new moon after sunset.

Observers scan the western horizon after sunset, and if the crescent is visible, fasting begins the following day; otherwise, the preceding month completes thirty days.

Astronomical calculations indicate the crescent may be difficult to see on Wednesday evening but bec...