Well, the Hijri date 25 Dhul Qidah 1419 corresponds to the Gregorian date Saturday, 13 March 1999. This date lies in the eleventh month of the Hijri year 1419 AH, which is Dhu Al-Qidah of 1419 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1419/11/25 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 13 March 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Dhul Qidah 1419 AH to its equivalent Gregorian date.
فَٱنظُرْ كَيْفَ كَانَ عَٰقِبَةُ مَكْرِهِمْ أَنَّا دَمَّرْنَٰهُمْ وَقَوْمَهُمْ أَجْمَعِينَ
Then see the nature of the consequence of their plotting, for lo! We destroyed them and their people, every one.
Surah An-Naml(27:51)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
The Statement of Allah the Most High: "And magnify your Lord (Allah)!" (V.74:3)
Narrated Yahya:
I asked Aba Salama, "Which Sura of the Qur'an was revealed first?" He replied, "O you, wrapped-up' (Al-Muddaththir)." I said, "I have been informed that it was, 'Read, in the Name of your Lord who created (i.e. Surat Al-Alaq)...similar to the narration related by `Ali bin Al-Mubarak, 444 above).
Sahih al-Bukhari 4924