Well, the Hijri date 12 Shawwal 1409 corresponds to the Gregorian date Wednesday, 17 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 Wednesday without any doubt. The Arabic date 1409/10/12 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 17 May 1989 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Shawwal 1409 AH to its equivalent Gregorian date.
يَتَنَٰزَعُونَ فِيهَا كَأْسًۭا لَّا لَغْوٌۭ فِيهَا وَلَا تَأْثِيمٌۭ
There they pass from hand to hand a cup wherein is neither vanity nor cause of sin.
Surah At-Tur(52:23)