Well, the Hijri date 13 Rabi Al Thani 1415 corresponds to the Gregorian date Sunday, 18 September 1994. This date lies in the fourth month of the Hijri year 1415 AH, which is Rabi Al-Thani of 1415 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1415/04/13 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 18 September 1994 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rabi Al Thani 1415 AH to its equivalent Gregorian date.
أَوَلَمْ يَرَوْا۟ أَنَّ ٱللَّهَ ٱلَّذِى خَلَقَ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضَ وَلَمْ يَعْىَ بِخَلْقِهِنَّ بِقَٰدِرٍ عَلَىٰٓ أَن يُحْۦِىَ ٱلْمَوْتَىٰ ۚ بَلَىٰٓ إِنَّهُۥ عَلَىٰ كُلِّ شَىْءٍۢ قَدِيرٌۭ
Have they not seen that Allah, Who created the heavens and the earth and was not wearied by their creation, is Able to give life to the dead? Aye, He verily is Able to do all things.
Surah Al-Ahqaf(46:33)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Your wives are a tilth for you; so go to your tilth (have sexual relations with your wives in any manner as long as it is in the vagina and not in the anus) when or how you will..." (V.2:223)
Narrated Nafi`:
Whenever Ibn `Umar recited the Qur'an, he would not speak to anyone till he had finished his recitation. Once I held the Qur'an and he recited Surat-al-Baqara from his memory and then stopped at a certain Verse and said, "Do you know in what connection this Verse was revealed? " I replied, "No." He said, "It was revealed in such-and-such connection." Ibn `Umar then resumed his recitation. Nafi` added regarding the Verse:--"So go to your tilth when or how you will" Ibn `Umar said, "It means one should approach his wife in .."
Sahih al-Bukhari 4526, 4527