Well, the Hijri date 17 Rajab 1399 corresponds to the Gregorian date Tuesday, 12 June 1979. This date lies in the seventh month of the Hijri year 1399 AH, which is Rajab of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1399/07/17 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 12 June 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Rajab 1399 AH to its equivalent Gregorian date.
أَمْ لَهُمْ شُرَكَآءُ فَلْيَأْتُوا۟ بِشُرَكَآئِهِمْ إِن كَانُوا۟ صَٰدِقِينَ
Surah Al-Qalam(68:41)
Sahih al-Bukhari
`Umrah (Minor pilgrimage)
Chapter: Arriving in the morning
Narrated Ibn `Umar:
Whenever Allah's Messenger (ﷺ) left for Mecca, he used to pray in the mosque of Ash-Shajra, and when he returned (to Medina), he used to pray in the middle of the valley of Dhul-Hulaifa and used to pass the night there till morning.
Sahih al-Bukhari 1799