Well, the Hijri date 20 Rabi Al Awwal 1380 corresponds to the Gregorian date Sunday, 11 September 1960. This date lies in the third month of the Hijri year 1380 AH, which is Rabi Al-Awwal of 1380 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1380/03/20 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 11 September 1960 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1380 AH to its equivalent Gregorian date.
فَأْتِيَاهُ فَقُولَآ إِنَّا رَسُولَا رَبِّكَ فَأَرْسِلْ مَعَنَا بَنِىٓ إِسْرَٰٓءِيلَ وَلَا تُعَذِّبْهُمْ ۖ قَدْ جِئْنَٰكَ بِـَٔايَةٍۢ مِّن رَّبِّكَ ۖ وَٱلسَّلَٰمُ عَلَىٰ مَنِ ٱتَّبَعَ ٱلْهُدَىٰٓ
So go ye unto him and say: Lo! we are two messengers of thy Lord. So let the children of Israel go with us, and torment them not. We bring thee a token from thy Lord. And peace will be for him who followeth right guidance.
Surah Taa-Haa(20:47)
Sahih al-Bukhari
Divine Will (Al-Qadar)
Chapter: Refuge with Allah from having an evil end of the worldly life and having a bad fate
Narrated Abu Huraira:
The Prophet (ﷺ) said, "Take refuge with Allah from the difficulties of severe calamities, from having an evil end and a bad fate and from the malicious joy of your enemies."
Sahih al-Bukhari 6616