Well, the Hijri date 9 Rabi Al Thani 1379 corresponds to the Gregorian date Sunday, 11 October 1959. This date lies in the fourth month of the Hijri year 1379 AH, which is Rabi Al-Thani of 1379 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1379/04/09 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 11 October 1959 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Rabi Al Thani 1379 AH to its equivalent Gregorian date.
إِن تَجْتَنِبُوا۟ كَبَآئِرَ مَا تُنْهَوْنَ عَنْهُ نُكَفِّرْ عَنكُمْ سَيِّـَٔاتِكُمْ وَنُدْخِلْكُم مُّدْخَلًۭا كَرِيمًۭا
If ye avoid the great (things) which ye are forbidden, We will remit from you your evil deeds and make you enter at a noble gate.
Surah An-Nisaa(4:31)
Sahih al-Bukhari
Prayers (Salat)
Chapter: The mosques which are on the way to Al-Madina and the places where the Prophet (pbuh) had offered Salat (Prayers)
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See translation for hadith 484 above
Sahih al-Bukhari 490