Well, the Hijri date 20 Rabi Al Awwal 1390 corresponds to the Gregorian date Monday, 25 May 1970. This date lies in the third month of the Hijri year 1390 AH, which is Rabi Al-Awwal of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1390/03/20 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 25 May 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1390 AH to its equivalent Gregorian date.
كَذَٰلِكَ أَرْسَلْنَٰكَ فِىٓ أُمَّةٍۢ قَدْ خَلَتْ مِن قَبْلِهَآ أُمَمٌۭ لِّتَتْلُوَا۟ عَلَيْهِمُ ٱلَّذِىٓ أَوْحَيْنَآ إِلَيْكَ وَهُمْ يَكْفُرُونَ بِٱلرَّحْمَٰنِ ۚ قُلْ هُوَ رَبِّى لَآ إِلَٰهَ إِلَّا هُوَ عَلَيْهِ تَوَكَّلْتُ وَإِلَيْهِ مَتَابِ
Thus We send thee (O Muhammad) unto a nation, before whom other nations have passed away, that thou mayst recite unto them that which We have inspired in thee, while they are disbelievers in the Beneficent. Say: He is my Lord; there is no Allah save Him. In Him do I put my trust and unto Him is my recourse.
Surah Ar-Ra'd(13:30)
Sahih al-Bukhari
Knowledge
Chapter: To give a religious verdict while riding an animal or standing on anything else
Narrated `Abdullah bin `Amr bin Al `Aas:
Allah's Messenger (ﷺ) stopped (for a while near the Jimar) at Mina during his last Hajj for the people and they were asking him questions. A man came and said, "I forgot and got my head shaved before slaughtering the Hadi (sacrificing animal)." The Prophet (ﷺ) said, "There is no harm, go and do the slaughtering now." Then another person came and said, "I forgot and slaughtered (the camel) before Rami (throwing of the pebbles) at the Jamra." The Prophet (ﷺ) said, "Do the Rami now and there is no harm." The narrator added: So on that day, when the Prophet (ﷺ) was asked about anything (as regards the ceremonies of Hajj) performed before or after its due time, his reply was: "Do it (now) and there is no harm."
Sahih al-Bukhari 83