Well, the Hijri date 24 Rajab 1439 corresponds to the Gregorian date Tuesday, 10 April 2018. This date lies in the seventh month of the Hijri year 1439 AH, which is Rajab of 1439 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1439/07/24 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 10 April 2018 to its equivalent Arabic date.
The following is the conversion of the Arabic date 24 Rajab 1439 AH to its equivalent Gregorian date.
لِيُكَفِّرَ ٱللَّهُ عَنْهُمْ أَسْوَأَ ٱلَّذِى عَمِلُوا۟ وَيَجْزِيَهُمْ أَجْرَهُم بِأَحْسَنِ ٱلَّذِى كَانُوا۟ يَعْمَلُونَ
That Allah will remit from them the worst of what they did, and will pay them for reward the best they used to do.
Surah Az-Zumar(39:35)
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