Well, the Hijri date 21 Shawwal 1473 corresponds to the Gregorian date Friday, 30 June 2051. This date lies in the tenth month of the Hijri year 1473 AH, which is Shawwal of 1473 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1473/10/21 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 30 June 2051 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shawwal 1473 AH to its equivalent Gregorian date.
عَفَا ٱللَّهُ عَنكَ لِمَ أَذِنتَ لَهُمْ حَتَّىٰ يَتَبَيَّنَ لَكَ ٱلَّذِينَ صَدَقُوا۟ وَتَعْلَمَ ٱلْكَٰذِبِينَ
Allah forgive thee (O Muhammad)! Wherefor didst thou grant them leave ere those who told the truth were manifest to thee and thou didst know the liars?
Surah At-Tawba(9:43)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The killing of Abu Jahl
Narrated Qais:
I heard Abu Dhar swearing that the following Holy verse:-- "These two opponents (believers and disbelievers) disputing with each other about their Lord," (22.19) was revealed concerning those men who fought on the day of Badr, namely, Hamza, `Ali, Ubaida bin Al-Harith, `Utba and Shaiba----the two sons of Rabi`a-- and Al-Walid bin `Utba.
Sahih al-Bukhari 3969