Well, the Hijri date 19 Shawwal 1400 corresponds to the Gregorian date Friday, 29 August 1980. This date lies in the tenth month of the Hijri year 1400 AH, which is Shawwal of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1400/10/19 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 29 August 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Shawwal 1400 AH to its equivalent Gregorian date.
أَمْ تَسْـَٔلُهُمْ أَجْرًۭا فَهُم مِّن مَّغْرَمٍۢ مُّثْقَلُونَ
Or dost thou (Muhammad) ask a fee from them so that they are heavily taxed?
Surah Al-Qalam(68:46)
Sahih al-Bukhari
Virtues of the Qur'an
Chapter: How the Divine Revelation used to be revealed and what was the first thing revealed
Narrated `Aisha and Ibn `Abbas:
The Prophet (ﷺ) remained in Mecca for ten years, during which the Qur'an used to be revealed to him; and he stayed in Medina for ten years.
Sahih al-Bukhari 4978, 4979