Well, the Hijri date 12 Dhul Qidah 1398 corresponds to the Gregorian date Saturday, 14 October 1978. This date lies in the eleventh month of the Hijri year 1398 AH, which is Dhu Al-Qidah of 1398 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1398/11/12 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 14 October 1978 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Dhul Qidah 1398 AH to its equivalent Gregorian date.
وَٱتَّبِعْ مَا يُوحَىٰٓ إِلَيْكَ وَٱصْبِرْ حَتَّىٰ يَحْكُمَ ٱللَّهُ ۚ وَهُوَ خَيْرُ ٱلْحَٰكِمِينَ
And (O Muhammad) follow that which is inspired in thee, and forbear until Allah give judgment. And He is the Best of Judges.
Surah Yunus(10:109)