Well, the Hijri date 13 Dhul Qidah 1400 corresponds to the Gregorian date Monday, 22 September 1980. This date lies in the eleventh month of the Hijri year 1400 AH, which is Dhu Al-Qidah of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1400/11/13 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 22 September 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Qidah 1400 AH to its equivalent Gregorian date.
إِذْ قَالَ يُوسُفُ لِأَبِيهِ يَٰٓأَبَتِ إِنِّى رَأَيْتُ أَحَدَ عَشَرَ كَوْكَبًۭا وَٱلشَّمْسَ وَٱلْقَمَرَ رَأَيْتُهُمْ لِى سَٰجِدِينَ
When Joseph said unto his father: O my father! Lo! I saw in a dream eleven planets and the sun and the moon, I saw them prostrating themselves unto me.
Surah Yusuf(12:4)
Sahih al-Bukhari
Funerals (Al-Janaa'iz)
Chapter: The order of following the funeral procession
Narrated Abu Huraira:
I heard Allah's Messenger (ﷺ) saying, "The rights of a Muslim on the Muslims are five: to respond to the salaam, visiting the sick, to follow the funeral processions, to accept an invitation, and to reply to those who sneeze. (see Hadith 1239)
Sahih al-Bukhari 1240