Well, the Hijri date 4 Jumada Al Akhira 1399 corresponds to the Gregorian date Monday, 30 April 1979. This date lies in the sixth month of the Hijri year 1399 AH, which is Jumada Al-Thani of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1399/06/04 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 30 April 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Jumada Al Akhira 1399 AH to its equivalent Gregorian date.
۞ وَمَآ أَعْجَلَكَ عَن قَوْمِكَ يَٰمُوسَىٰ
And (it was said): What hath made thee hasten from thy folk, O Moses?
Surah Taa-Haa(20:83)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: Hajjat-ul-Wada
Narrated Hisham's father:
In my presence, Usama was asked about the speed of the Prophet (ﷺ) during his Hajj. He replied, "It was Al-`Anaq (i.e. moderate easy speed) and if he encountered an open space, he used to increase his speed."
Sahih al-Bukhari 4413