Well, the Hijri date 18 Dhul Qidah 1419 corresponds to the Gregorian date Saturday, 6 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 1419/11/18 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 March 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Dhul Qidah 1419 AH to its equivalent Gregorian date.
وَقَالُوا۟ لَوْلَا نُزِّلَ عَلَيْهِ ءَايَةٌۭ مِّن رَّبِّهِۦ ۚ قُلْ إِنَّ ٱللَّهَ قَادِرٌ عَلَىٰٓ أَن يُنَزِّلَ ءَايَةًۭ وَلَٰكِنَّ أَكْثَرَهُمْ لَا يَعْلَمُونَ
They say: Why hath no portent been sent down upon him from his Lord? Say: Lo! Allah is Able to send down a portent. But most of them know not.
Surah Al-An'aam(6:37)
Sahih al-Bukhari
Funerals (Al-Janaa'iz)
Chapter: The burial of two or three men in one grave
Narrated Jabir bin `Abdullah:
The Prophet (ﷺ) buried every two martyrs in of Uhud in one grave.
Sahih al-Bukhari 1345