Well, the Hijri date 13 Rabi Al Thani 1487 corresponds to the Gregorian date Sunday, 27 July 2064. This date lies in the fourth month of the Hijri year 1487 AH, which is Rabi Al-Thani of 1487 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1487/04/13 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 July 2064 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rabi Al Thani 1487 AH to its equivalent Gregorian date.
ٱلَّذِى جَعَلَ لَكُم مِّنَ ٱلشَّجَرِ ٱلْأَخْضَرِ نَارًۭا فَإِذَآ أَنتُم مِّنْهُ تُوقِدُونَ
Who hath appointed for you fire from the green tree, and behold! ye kindle from it.
Surah Yaseen(36:80)
Sahih al-Bukhari
Funerals (Al-Janaa'iz)
Chapter: To offer the funeral Salat (prayer) at the Musalla and at the Mosque
Narrated Abu Huraira:
Allah's Messenger (ﷺ) informed about the news of the death of An-Najash (King of Ethiopia) on the day he expired. He said, "Ask Allah's forgiveness for your brother. " Narrated Abu Huraira: The Prophet (ﷺ) made them align in rows at the Musalla and said four Takbir.
Sahih al-Bukhari 1327, 1328