“At every part of the night the Messenger of Allah ﷺ prayed Witr, at the beginning and in the middle, and finally his Witr was just before dawn.” (Using translation from Ibn Mājah 1186)   

«مِنْ كُلِّ اللَّيْلِ قَدْ أَوْتَرَ رَسُولُ اللَّهِ ﷺ وَانْتَهَى وِتْرُهُ إِلَى السَّحَرِ»  

[Machine] The translation of the Arabic sentence "أَنَّ رَسُولَ اللَّهِ ﷺ سُئِلَ عَنِ الْوِتْرِ فَقَالَ «أَوْتِرُوا قَبْلَ الْفَجْرِ»" into English is: "The messenger of Allah ﷺ was asked about Al-Witr (an odd-numbered prayer), and he said, 'Perform Al-Witr prayer before dawn.'"  

أَنَّ رَسُولَ اللَّهِ ﷺ سُئِلَ عَنِ الْوِتْرِ فَقَالَ «أَوْتِرُوا قَبْلَ الْفَجْرِ»