Well, the Hijri date 20 Rajab 1439 corresponds to the Gregorian date Friday, 6 April 2018. This date lies in the seventh month of the Hijri year 1439 AH, which is Rajab of 1439 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1439/07/20 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 6 April 2018 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1439 AH to its equivalent Gregorian date.
إِذًۭا لَّأَذَقْنَٰكَ ضِعْفَ ٱلْحَيَوٰةِ وَضِعْفَ ٱلْمَمَاتِ ثُمَّ لَا تَجِدُ لَكَ عَلَيْنَا نَصِيرًۭا
Then had we made thee taste a double (punishment) of living and a double (punishment) of dying, then hadst thou found no helper against Us.
Surah Al-Israa(17:75)
Sahih al-Bukhari
Merits of the Helpers in Madinah (Ansaar)
Chapter: The advent of the Prophet (saws)
Narrated Ibn `Abbas:
Allah's Messenger (ﷺ) was inspired Divinely at the age of forty. Then he stayed in Mecca for thirteen years, and then was ordered to migrate, and he migrated to Medina and stayed there for ten years and then died.
Sahih al-Bukhari 3851