Well, the Hijri date 4 Rajab 1400 corresponds to the Gregorian date Sunday, 18 May 1980. This date lies in the seventh month of the Hijri year 1400 AH, which is Rajab of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1400/07/04 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 18 May 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Rajab 1400 AH to its equivalent Gregorian date.
نَّحْنُ خَلَقْنَٰهُمْ وَشَدَدْنَآ أَسْرَهُمْ ۖ وَإِذَا شِئْنَا بَدَّلْنَآ أَمْثَٰلَهُمْ تَبْدِيلًا
We, even We, created them, and strengthened their frame. And when We will, We can replace them, bringing others like them in their stead.
Surah Al-Insaan(76:28)
Sahih al-Bukhari
To make the Heart Tender (Ar-Riqaq)
Chapter: The description of Paradise and the Fire
Narrated `Adi bin Hatim:
The Prophet (ﷺ) mentioned the Fire and turned his face aside and asked for Allah's protection from it, and then again he mentioned the Fire and turned his face aside and asked for Allah's protection from it and said, "Protect yourselves from the Hell-Fire, even if with one half of a date, and he who cannot afford that, then (let him do so) by (saying) a good, pleasant word."
Sahih al-Bukhari 6563