Well, the Hijri date 20 Rabi Al Awwal 1399 corresponds to the Gregorian date Saturday, 17 February 1979. This date lies in the third month of the Hijri year 1399 AH, which is Rabi Al-Awwal of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1399/03/20 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 17 February 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1399 AH to its equivalent Gregorian date.
قَالَ ذَٰلِكَ مَا كُنَّا نَبْغِ ۚ فَٱرْتَدَّا عَلَىٰٓ ءَاثَارِهِمَا قَصَصًۭا
He said: This is that which we have been seeking. So they retraced their steps again.
Surah Al-Kahf(18:64)
Sahih al-Bukhari
Gifts
Chapter: Giving gifts by a husband to his wife, and by a wife to her husband
Narrated Ibn `Abbas:
The Prophet (ﷺ) said, "One who takes back his gift (which he has already given) is like a dog that swallows its vomit."
Sahih al-Bukhari 2589