Hadith Q1087
إِذِ الْوِتْرُ وَقْتُهُ اللَّيْلُ، لَا اللَّيْلُ وَالنَّهَارُ وَلَا بَعْضُ النَّهَارِ أَيْضًا.
Because the time for Witr prayer is at night; the day, the night and day, or any part of the day is not its time.
Hadith 1087
It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Prophet Muhammad (peace and blessings be upon him) said: "Perform the Witr prayer before dawn."
Hadith 1088
It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Hasten to perform Witr before dawn appears." In the narration of Ahmad, (the singular form is used): "So hasten."
Hadith 1089
It is narrated from Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: "Perform Witr before the morning comes." Janab Abu Nazrah 'Awfi reports that Sayyiduna Abu Sa'id Khudri (may Allah be pleased with him) told him that he asked the Noble Prophet (peace and blessings of Allah be upon him) about Witr, so he (peace be upon him) said: "Perform Witr before the morning comes."