Well, the Hijri date 13 Jumada Al Oula 1402 corresponds to the Gregorian date Monday, 8 March 1982. This date lies in the fifth month of the Hijri year 1402 AH, which is Jumada Al-Awwal of 1402 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1402/05/13 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 8 March 1982 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Jumada Al Oula 1402 AH to its equivalent Gregorian date.
قُل لَّوْ أَنتُمْ تَمْلِكُونَ خَزَآئِنَ رَحْمَةِ رَبِّىٓ إِذًۭا لَّأَمْسَكْتُمْ خَشْيَةَ ٱلْإِنفَاقِ ۚ وَكَانَ ٱلْإِنسَٰنُ قَتُورًۭا
Say (unto them): If ye possessed the treasures of the mercy of my Lord, ye would surely hold them back for fear of spending, for man was ever grudging.
Surah Al-Israa(17:100)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Al-Hudaibiya
Narrated Abu Jamra:
I asked Aidh bin `Amr, who was one of the companions of the Prophet (ﷺ) one of those (who gave the allegiance to the Prophet (ﷺ) the Tree: "Can the witr prayer be repeated (in one night)?" He said, "If you have offered it in the first part of the night, you should not repeat it in the last part 'of the night." (See Fath-ul-Bari page 458 Vol 8th).
Sahih al-Bukhari 4176