Husayn bin Harith Jadali narrates: The governor of Makkah, while delivering a sermon, made the people take an oath and inquired: Who among you has seen the crescent of "such-and-such first"? Then he said: The Prophet Muhammad (peace be upon him) instructed us (that we should perform the sacrifice on the day of Eid al-Adha) if we do not see the crescent ourselves and two just witnesses testify to it, then we should perform the sacrifice (i.e., Eid al-Adha) based on their testimony. The narrator says: I asked Husayn bin Harith who that governor was, and he replied: I do not know. After that, I met him again, and he informed me: That person was Harith bin Hatib, who was the brother of Muhammad bin Hatib. Its chain is connected and this narration is authentic.

Husayn bin Harith Jadali narrates: The governor of Mecca informed that the Prophet Muhammad (peace be upon him) instructed: "We (should perform the sacrifice after sighting the moon), that is, celebrate Eid al-Adha, and if we do not see the moon ourselves and two just persons testify to it, then perform the sacrifice based on the testimony of both." The narrator states: I asked Husayn bin Harith: Who was that governor? He replied: He was Harith bin Hatib, the brother of Muhammad bin Hatib. That governor also said: Among you is the person who has the most knowledge of Allah and His Messenger's (commands), then the governor pointed towards a person present there. The narrator states: Who was that person? He replied: He was Sayyiduna Abdullah bin Umar (may Allah be pleased with them both). Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) stated: The Prophet Muhammad (peace be upon him) instructed us the same (that we should decide the sighting of the moon based on the testimony of two witnesses). Abu Bakr Nishapuri narrates: I asked Ibrahim Harbi about this narration, he stated: Sa'id bin Sulaiman narrated this to us, after which Ibrahim stated: That person was Harith bin Hatib bin Harith bin Mu'ammar bin Khabib bin Wahb bin Hudhayfah bin Jum'ah, who had the honor of migrating to Abyssinia.

Abdur Rahman bin Zaid (may Allah be pleased with him) narrates: We had the honor of being in the company of the companions of the Prophet (peace and blessings be upon him), we acquired knowledge from them, and they informed us of this: The Prophet (peace and blessings be upon him) instructed us: "Begin fasting upon sighting (the new moon), and end fasting upon sighting it. If the sky is overcast, then complete the count to thirty. If two just persons bear witness, then begin fasting, celebrate Eid al-Fitr, or perform the sacrifice (i.e., celebrate Eid al-Adha) based on their testimony."

Rabi‘ reports from a Companion: Once the Prophet Muhammad (peace be upon him) was fasting, and it was the thirtieth day of Ramadan. Two villagers came and both testified that there is no god but Allah, and they informed that they had seen the new moon the previous night. The Prophet Muhammad (peace be upon him) ordered the people to celebrate Eid al-Fitr. This hadith is authentic.

Abdur Rahman bin Abi Laila narrates: Regarding the sighting of the moon for Eid al-Fitr and Eid al-Adha, Sayyiduna Umar (may Allah be pleased with him) accepted the testimony of one person. The narrator named Abdula'la has transmitted similarly from Ibn Abi Laila, but the narrator named Abdula'la is weak, and likewise, the narrator named Ibn Abi Laila did not live in the time of Sayyiduna Umar (may Allah be pleased with him). Abu Wa'il, Shaqiq bin Salamah, has narrated a different report; he has transmitted from Sayyiduna Umar (may Allah be pleased with him) that Sayyiduna Umar (may Allah be pleased with him) said: "Do not stop fasting until two men testify (that they have seen the moon)." This narration has been reported by A'mash, and from him by Mansur.

Shaqiq bin Salamah narrates: A letter from Sayyiduna Umar (may Allah be pleased with him) came to us while we were in Khanqin. In his letter, Sayyiduna Umar (may Allah be pleased with him) stated: "The moon sometimes appears small or large, so when you see the moon during the day, do not celebrate Eid al-Fitr until two men testify." Sayyiduna Umar (may Allah be pleased with him) said: "When you see the new moon during the early part of the day, do not celebrate Eid until two men testify that they saw the moon the previous night." This narration is more authentic compared to the narration of Ibn Abulaila.

Abu Wa'il narrates: A letter from Sayyiduna Umar (may Allah be pleased with him) came to us (at the place of Khanqin), in which it was written: "The crescent of the first (of the month) sometimes appears small or large, so when you see the moon in the early part of the day, do not celebrate Eid until two men testify that they saw this moon the previous night."

Ibn Abu Layla narrates: I was present with Sayyiduna Umar (may Allah be pleased with him), when a rider came to him and informed him: he had seen the crescent of the first (of Shawwal). So Sayyiduna Umar (may Allah be pleased with him) instructed the people to observe Eid al-Fitr. Muhammad bin Ali narrates: I asked Abu Nu'aym: Did Ibn Abu Layla narrate hadith from Sayyiduna Umar (may Allah be pleased with him)? He replied: I do not know. Muhammad bin Ali narrates: I asked Yahya bin Ma'in: Did Ibn Abu Layla hear hadith from Sayyiduna Umar (may Allah be pleased with him)? He did not consider it correct. The narrator named Abd al-A'la is Abd al-A'la bin Tha'labi, who is not reliable. The narration of Abu Wa'il is more authentic in terms of chain, which has been transmitted by A'mash and Mansur from Abu Wa'il.

Abu Wa'il narrates: A letter from Sayyiduna Umar (may Allah be pleased with him) came to us while we were at the place of Khanqin (in which it was written): "The crescent of the first (of the month) sometimes appears small or large, so when you see the moon in the early part of the day, do not celebrate Eid until two just men testify that they saw the moon the previous night." Abu Bakr has narrated this: If the narrator named Mumil, this narration is rare, because Imam Abdur Rahman Mahdi has narrated it differently from him.

Abu Wa'il narrates: A letter from Sayyiduna Umar (may Allah be pleased with him) came to us while we were in Khanqin (it stated): "The crescent of the first (of the month) sometimes appears small or large, so if you see the moon during the day, then break your fast at sunset, unless two Muslims testify that they saw the moon the previous night (then you may break your fast and celebrate Eid al-Fitr)."