Well, the Hijri date 17 Safar 1391 corresponds to the Gregorian date Monday, 12 April 1971. This date lies in the second month of the Hijri year 1391 AH, which is Safar of 1391 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1391/02/17 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 12 April 1971 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Safar 1391 AH to its equivalent Gregorian date.
وَٱلشَّيَٰطِينَ كُلَّ بَنَّآءٍۢ وَغَوَّاصٍۢ
And the unruly, every builder and diver (made We subservient),
Surah Saad(38:37)
Sahih al-Bukhari
Prayer at Night (Tahajjud)
Chapter: The Salat (prayer) of the Prophet (pbuh) at night in Ramadan and (in) other months
Narrated Abu Salma bin `Abdur Rahman:
I asked `Aisha, "How is the prayer of Allah's Messenger (ﷺ) during the month of Ramadan." She said, "Allah's Messenger (ﷺ) never exceeded eleven rak`at in Ramadan or in other months; he used to offer four rak`at-- do not ask me about their beauty and length, then four rak`at, do not ask me about their beauty and length, and then three rak`at." Aisha further said, "I said, 'O Allah's Messenger (ﷺ)! Do you sleep before offering the witr prayer?' He replied, 'O `Aisha! My eyes sleep but my heart remains awake'!"
Sahih al-Bukhari 1147