Well, the Hijri date 11 Muharram 1390 corresponds to the Gregorian date Wednesday, 18 March 1970. This date lies in the first month of the Hijri year 1390 AH, which is Muharram of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1390/01/11 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 18 March 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Muharram 1390 AH to its equivalent Gregorian date.
قَالُوٓا۟ أَءِنَّكَ لَأَنتَ يُوسُفُ ۖ قَالَ أَنَا۠ يُوسُفُ وَهَٰذَآ أَخِى ۖ قَدْ مَنَّ ٱللَّهُ عَلَيْنَآ ۖ إِنَّهُۥ مَن يَتَّقِ وَيَصْبِرْ فَإِنَّ ٱللَّهَ لَا يُضِيعُ أَجْرَ ٱلْمُحْسِنِينَ
They said: Is it indeed thou who art Joseph? He said: I am Joseph and this is my brother. Allah hath shown us favour. Lo! he who wardeth off (evil) and endureth (findeth favour); for lo! Allah loseth not the wages of the kindly.
Surah Yusuf(12:90)
Sahih al-Bukhari
Sales and Trade
Chapter: Selling of silver for gold on delayed payment
Narrated Abu Al-Minhal:
I asked Al-Bara' bin `Azib and Zaid bin Arqam about money exchanges. Each of them said, "This is better than I," and both of them said, "Allah's Messenger (ﷺ) forbade the selling of silver for gold on credit. "
Sahih al-Bukhari 2180, 2181