Well, the Hijri date 18 Rabi Al Thani 1415 corresponds to the Gregorian date Friday, 23 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 Friday without any doubt. The Arabic date 1415/04/18 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 23 September 1994 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Rabi Al Thani 1415 AH to its equivalent Gregorian date.
لِّيُدْخِلَ ٱلْمُؤْمِنِينَ وَٱلْمُؤْمِنَٰتِ جَنَّٰتٍۢ تَجْرِى مِن تَحْتِهَا ٱلْأَنْهَٰرُ خَٰلِدِينَ فِيهَا وَيُكَفِّرَ عَنْهُمْ سَيِّـَٔاتِهِمْ ۚ وَكَانَ ذَٰلِكَ عِندَ ٱللَّهِ فَوْزًا عَظِيمًۭا
That He may bring the believing men and the believing women into Gardens underneath which rivers flow, wherein they will abide, and may remit from them their evil deeds - That, in the sight of Allah, is the supreme triumph -
Surah Al-Fath(48:5)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter
Narrated Mujashi bin Masud:
I took Abu Mabad to the Prophet (ﷺ) in order that he might give him the pledge of allegiance for migration. The Prophet (ﷺ) said, "Migration has gone to its people, but I take the pledge from him (i.e. Abu Mabad) for Islam and Jihad."
Sahih al-Bukhari 4307, 4308