Well, the Hijri date 18 Rabi Al Thani 1421 corresponds to the Gregorian date Thursday, 20 July 2000. This date lies in the fourth month of the Hijri year 1421 AH, which is Rabi Al-Thani of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1421/04/18 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 20 July 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Rabi Al Thani 1421 AH to its equivalent Gregorian date.
قُلْ إِنَّ ٱلَّذِينَ يَفْتَرُونَ عَلَى ٱللَّهِ ٱلْكَذِبَ لَا يُفْلِحُونَ
Say: Verily those who invent a lie concerning Allah will not succeed.
Surah Yunus(10:69)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: The Miqat for the people of Najd
Narrated Salim from his father who said:
"The Prophet (ﷺ) had fixed the Mawaqit as follows: (No. 603)
Sahih al-Bukhari 1527