Well, the Hijri date 13 Muharram 1390 corresponds to the Gregorian date Friday, 20 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 Friday without any doubt. The Arabic date 1390/01/13 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 20 March 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Muharram 1390 AH to its equivalent Gregorian date.
دَعْوَىٰهُمْ فِيهَا سُبْحَٰنَكَ ٱللَّهُمَّ وَتَحِيَّتُهُمْ فِيهَا سَلَٰمٌۭ ۚ وَءَاخِرُ دَعْوَىٰهُمْ أَنِ ٱلْحَمْدُ لِلَّهِ رَبِّ ٱلْعَٰلَمِينَ
Their prayer therein will be: Glory be to Thee, O Allah! and their greeting therein will be: Peace. And the conclusion of their prayer will be: Praise be to Allah, Lord of the Worlds!
Surah Yunus(10:10)
Sahih al-Bukhari
Companions of the Prophet
Chapter: Narrations about Usama bin Zaid
Narrated 'Aisha:
The people of the Quraish tribe were worried about the Makhzumiya woman. They said. "Nobody dare speak to him (i.e. the Prophet (ﷺ) ) except Usama bin Zaid as he is the most beloved to Allah's Messenger (ﷺ)."
Sahih al-Bukhari 3732