Well, the Hijri date 27 Rabi Al Thani 1439 corresponds to the Gregorian date Sunday, 14 January 2018. This date lies in the fourth month of the Hijri year 1439 AH, which is Rabi Al-Thani of 1439 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1439/04/27 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 January 2018 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Rabi Al Thani 1439 AH to its equivalent Gregorian date.
وَكَذَّبَ ٱلَّذِينَ مِن قَبْلِهِمْ وَمَا بَلَغُوا۟ مِعْشَارَ مَآ ءَاتَيْنَٰهُمْ فَكَذَّبُوا۟ رُسُلِى ۖ فَكَيْفَ كَانَ نَكِيرِ
Those before them denied, and these have not attained a tithe of that which We bestowed on them (of old); yet they denied My messengers. How intense then was My abhorrence (of them)!
Surah Saba(34:45)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: Do not abuse Ad-Dahr
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "Allah said, "The offspring of Adam abuse the Dahr (Time), and I am the Dahr; in My Hands are the night and the day." !
Sahih al-Bukhari 6181