Well, the Hijri date 11 Safar 1391 corresponds to the Gregorian date Tuesday, 6 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 Tuesday without any doubt. The Arabic date 1391/02/11 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 6 April 1971 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Safar 1391 AH to its equivalent Gregorian date.
وَكُلًّۭا ضَرَبْنَا لَهُ ٱلْأَمْثَٰلَ ۖ وَكُلًّۭا تَبَّرْنَا تَتْبِيرًۭا
Each (of them) We warned by examples, and each (of them) We brought to utter ruin.
Surah Al-Furqaan(25:39)
Sahih al-Bukhari
Afflictions and the End of the World
Chapter: The coming of the Fire
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "Soon the river "Euphrates" will disclose the treasure (the mountain) of gold, so whoever will be present at that time should not take anything of it." Al-A'raj narrated from Abii Huraira that the Prophet (ﷺ) said the same but he said, "It (Euphrates) will uncover a mountain of gold (under it).
Sahih al-Bukhari 7119