Well, the Hijri date 13 Ramadan 1398 corresponds to the Gregorian date Thursday, 17 August 1978. This date lies in the ninth month of the Hijri year 1398 AH, which is Ramadan of 1398 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1398/09/13 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 17 August 1978 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Ramadan 1398 AH to its equivalent Gregorian date.
إِنَّ هَٰذَا ٱلْقُرْءَانَ يَهْدِى لِلَّتِى هِىَ أَقْوَمُ وَيُبَشِّرُ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمْ أَجْرًۭا كَبِيرًۭا
Lo! this Qur'an guideth unto that which is straightest, and giveth tidings unto the believers who do good works that theirs will be a great reward.
Surah Al-Israa(17:9)
