Well, the Hijri date 22 Rabi Al Thani 1380 corresponds to the Gregorian date Wednesday, 12 October 1960. This date lies in the fourth month of the Hijri year 1380 AH, which is Rabi Al-Thani of 1380 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1380/04/22 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 October 1960 to its equivalent Arabic date.
The following is the conversion of the Arabic date 22 Rabi Al Thani 1380 AH to its equivalent Gregorian date.
يَوْمَئِذٍۢ تُحَدِّثُ أَخْبَارَهَا
That day she will relate her chronicles,
Surah Az-Zalzala(99:4)