Well, the Hijri date 20 Rabi Al Thani 1359 corresponds to the Gregorian date Monday, 27 May 1940. This date lies in the fourth month of the Hijri year 1359 AH, which is Rabi Al-Thani of 1359 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1359/04/20 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 27 May 1940 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Thani 1359 AH to its equivalent Gregorian date.
قَالَتْ إِحْدَىٰهُمَا يَٰٓأَبَتِ ٱسْتَـْٔجِرْهُ ۖ إِنَّ خَيْرَ مَنِ ٱسْتَـْٔجَرْتَ ٱلْقَوِىُّ ٱلْأَمِينُ
One of the two women said: O my father! Hire him! For the best (man) that thou canst hire in the strong, the trustworthy.
Surah Al-Qasas(28:26)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
Allah's Statement: "Verily, We have sent revelation to you, (O Muhammad ﷺ ) ... (till) ... as We sent revelation to Nuh (Noah) and Yunus (Jonah), Hãrün (Aaron) and Sulaimãn (Solomon)..." (V.4:163)
Narrated Abu Huraira:
The Prophet (ﷺ) said, "Whoever says that I am better than Jonah bin Matta, is a liar."
Sahih al-Bukhari 4604