Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates: The Noble Prophet (peace and blessings be upon him) said:“(The month) is sometimes twenty-nine days. Do not begin fasting until you see it (the crescent of Ramadan), and do not stop fasting until you see it (the crescent of Shawwal). If it is cloudy, then complete the count.”(The narrator named Ibn Murshid has transmitted this additional statement: Nafi’ narrates) When twenty-nine days of Sha’ban had passed, Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) would tell someone to look for the crescent. If it was sighted, that was fine; if it was not sighted, and there was no cloud or dust obstructing the sighting, then Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) would not fast the next day. But if it was not sighted and there was dust or cloud obstructing the sighting, then Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) would fast the next day. The narrator states: Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) would end fasting along with the people.