Well, the Hijri date 1 Rabi Al Awwal 1420 corresponds to the Gregorian date Tuesday, 15 June 1999. This date lies in the third month of the Hijri year 1420 AH, which is Rabi Al-Awwal of 1420 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1420/03/01 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 15 June 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rabi Al Awwal 1420 AH to its equivalent Gregorian date.
أَفَبِهَٰذَا ٱلْحَدِيثِ أَنتُم مُّدْهِنُونَ
Is it this Statement that ye scorn,
Surah Al-Waaqia(56:81)
Sahih al-Bukhari
Accepting Information Given by a Truthful Person
Chapter: Acceptance of the information given by one truthful person in about all matters
Narrated Anas:
The Prophet (ﷺ) said, "For every nation there is an Amin (honest, trustworthy person) and the Amin of this nation is Abu 'Ubaida."
Sahih al-Bukhari 7255