Well, the Hijri date 2 Rabi Al Thani 1378 corresponds to the Gregorian date Tuesday, 14 October 1958. This date lies in the fourth month of the Hijri year 1378 AH, which is Rabi Al-Thani of 1378 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1378/04/02 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 14 October 1958 to its equivalent Arabic date.
The following is the conversion of the Arabic date 2 Rabi Al Thani 1378 AH to its equivalent Gregorian date.
تَعْرُجُ ٱلْمَلَٰٓئِكَةُ وَٱلرُّوحُ إِلَيْهِ فِى يَوْمٍۢ كَانَ مِقْدَارُهُۥ خَمْسِينَ أَلْفَ سَنَةٍۢ
(Whereby) the angels and the Spirit ascend unto Him in a Day whereof the span is fifty thousand years.
Surah Al-Ma'aarij(70:4)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
Surat ‘Abasa (He Frowned)
Narrated Aisha:
The Prophet (ﷺ) said, "Such a person as recites the Qur'an and masters it by heart, will be with the noble righteous scribes (in Heaven). And such a person exerts himself to learn the Qur'an by heart, and recites it with great difficulty, will have a double reward."
Sahih al-Bukhari 4937