Well, the Hijri date 13 Muharram 1402 corresponds to the Gregorian date Monday, 9 November 1981. This date lies in the first month of the Hijri year 1402 AH, which is Muharram of 1402 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1402/01/13 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 9 November 1981 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Muharram 1402 AH to its equivalent Gregorian date.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱتَّقُوا۟ ٱللَّهَ وَٱبْتَغُوٓا۟ إِلَيْهِ ٱلْوَسِيلَةَ وَجَٰهِدُوا۟ فِى سَبِيلِهِۦ لَعَلَّكُمْ تُفْلِحُونَ
O ye who believe! Be mindful of your duty to Allah, and seek the way of approach unto Him, and strive in His way in order that ye may succeed.
Surah Al-Maaida(5:35)