Well, the Hijri date 19 Rabi Al Thani 1366 corresponds to the Gregorian date Wednesday, 12 March 1947. This date lies in the fourth month of the Hijri year 1366 AH, which is Rabi Al-Thani of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1366/04/19 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 12 March 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1366 AH to its equivalent Gregorian date.
قَيِّمًۭا لِّيُنذِرَ بَأْسًۭا شَدِيدًۭا مِّن لَّدُنْهُ وَيُبَشِّرَ ٱلْمُؤْمِنِينَ ٱلَّذِينَ يَعْمَلُونَ ٱلصَّٰلِحَٰتِ أَنَّ لَهُمْ أَجْرًا حَسَنًۭا
(But hath made it) straight, to give warning of stern punishment from Him, and to bring unto the believers who do good works the news that theirs will be a fair reward,
Surah Al-Kahf(18:2)