Well, the Hijri date 5 Rabi Al Awwal 1420 corresponds to the Gregorian date Saturday, 19 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 Saturday without any doubt. The Arabic date 1420/03/05 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 19 June 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Rabi Al Awwal 1420 AH to its equivalent Gregorian date.
وَإِنَّهُۥ لَفِى زُبُرِ ٱلْأَوَّلِينَ
And lo! it is in the Scriptures of the men of old.
Surah Ash-Shu'araa(26:196)
Sahih al-Bukhari
Virtues and Merits of the Prophet (pbuh) and his Companions
Chapter
Narrated Wathila bin Al-Asqa:
Allah's Messenger (ﷺ) said, "Verily, one of the worst lies is to claim falsely to be the son of someone other than one's real father, or to claim to have had a dream one has not had, or to attribute to me what I have not said."
Sahih al-Bukhari 3509