Well, the Hijri date 20 Shawwal 1409 corresponds to the Gregorian date Thursday, 25 May 1989. This date lies in the tenth month of the Hijri year 1409 AH, which is Shawwal of 1409 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1409/10/20 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 25 May 1989 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1409 AH to its equivalent Gregorian date.
أَمْ تَسْـَٔلُهُمْ خَرْجًۭا فَخَرَاجُ رَبِّكَ خَيْرٌۭ ۖ وَهُوَ خَيْرُ ٱلرَّٰزِقِينَ
Or dost thou ask of them (O Muhammad) any tribute? But the bounty of thy Lord is better, for He is Best of all who make provision.
Surah Al-Muminoon(23:72)
Sahih al-Bukhari
Beginning of Creation
Chapter: The description of the (Hell) Fire and the fact that it has already been created
Narrated Ibn `Umar:
The Prophet (ﷺ) said, "Fever is from the heat of the (Hell) Fire; so abate fever with water."
Sahih al-Bukhari 3264