Well, the Hijri date 21 Rajab 1439 corresponds to the Gregorian date Saturday, 7 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 Saturday without any doubt. The Arabic date 1439/07/21 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 7 April 2018 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1439 AH to its equivalent Gregorian date.
ثُمَّ خَلَقْنَا ٱلنُّطْفَةَ عَلَقَةًۭ فَخَلَقْنَا ٱلْعَلَقَةَ مُضْغَةًۭ فَخَلَقْنَا ٱلْمُضْغَةَ عِظَٰمًۭا فَكَسَوْنَا ٱلْعِظَٰمَ لَحْمًۭا ثُمَّ أَنشَأْنَٰهُ خَلْقًا ءَاخَرَ ۚ فَتَبَارَكَ ٱللَّهُ أَحْسَنُ ٱلْخَٰلِقِينَ
Surah Al-Muminoon(23:14)
Sahih al-Bukhari
Obligatory Charity Tax (Zakat)
Chapter: "Protect yourself from Hell-fire even with half a date"
Narrated `Adi bin Hatim heard the Prophet (ﷺ) saying:
"Save yourself from Hell-fire even by giving half a date-fruit in charity."
Sahih al-Bukhari 1417