Well, the Hijri date 28 Jumada Al Oula 1399 corresponds to the Gregorian date Wednesday, 25 April 1979. This date lies in the fifth month of the Hijri year 1399 AH, which is Jumada Al-Awwal of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1399/05/28 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 April 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Jumada Al Oula 1399 AH to its equivalent Gregorian date.
قَالَ أَبَشَّرْتُمُونِى عَلَىٰٓ أَن مَّسَّنِىَ ٱلْكِبَرُ فَبِمَ تُبَشِّرُونَ
He said: Bring ye me good tidings (of a son) when old age hath overtaken me? Of what then can ye bring good tidings?
Surah Al-Hijr(15:54)
Sahih al-Bukhari
Merits of the Helpers in Madinah (Ansaar)
Chapter: “Be patient till you meet me at Al-Haud (Al-Kauthar)”
Narrated Anas bin Malik:
The Prophet (ﷺ) said to the Ansar, "After me you will see others given preference to you; so be patient till you meet me, and your promised place (of meeting) will be the Tank (i.e. Lake of Kauthar).
Sahih al-Bukhari 3793