Well, the Hijri date 5 Rajab 1421 corresponds to the Gregorian date Monday, 2 October 2000. This date lies in the seventh month of the Hijri year 1421 AH, which is Rajab of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1421/07/05 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 2 October 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Rajab 1421 AH to its equivalent Gregorian date.
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ سُبْحَٰنَ ٱلَّذِىٓ أَسْرَىٰ بِعَبْدِهِۦ لَيْلًۭا مِّنَ ٱلْمَسْجِدِ ٱلْحَرَامِ إِلَى ٱلْمَسْجِدِ ٱلْأَقْصَا ٱلَّذِى بَٰرَكْنَا حَوْلَهُۥ لِنُرِيَهُۥ مِنْ ءَايَٰتِنَآ ۚ إِنَّهُۥ هُوَ ٱلسَّمِيعُ ٱلْبَصِيرُ
Glorified be He Who carried His servant by night from the Inviolable Place of Worship to the Far distant place of worship the neighbourhood whereof We have blessed, that We might show him of Our tokens! Lo! He, only He, is the Hearer, the Seer.
Surah Al-Israa(17:1)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Dhat-ur-Riqa
Narrated Ibn `Umar:
I took part in a Ghazwa towards Najd along with Allah's Messenger (ﷺ) and we clashed with the enemy, and we lined up for them.
Sahih al-Bukhari 4132