Well, the Hijri date 21 Dhul Hijjah 1406 corresponds to the Gregorian date Tuesday, 26 August 1986. This date lies in the twelfth month of the Hijri year 1406 AH, which is Dhu Al-Hijjah of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1406/12/21 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 26 August 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Hijjah 1406 AH to its equivalent Gregorian date.
وَلَا تَهِنُوا۟ وَلَا تَحْزَنُوا۟ وَأَنتُمُ ٱلْأَعْلَوْنَ إِن كُنتُم مُّؤْمِنِينَ
Surah Aal-i-Imraan(3:139)
Sahih al-Bukhari
Holding Fast to the Qur'an and Sunnah
Chapter: Asking too many questions and troubling with what does not concern one
Narrated Abu Musa Al-Ash`ari:
Allah's Messenger (ﷺ) was asked about things which he disliked, and when the people asked too many questions, he became angry and said, "Ask me (any question)." A man got up and said, "O Allah's Apostle! Who is my father?" The Prophet (ﷺ) replied, "Your father is Hudhaifa." Then another man got up and said, "O Allah's Messenger (ﷺ)! Who is my father?" The Prophet (ﷺ) said, "Your father is Salim, Maula Shaiba." When `Umar saw the signs of anger on the face of Allah's Messenger (ﷺ), he said, "We repent to Allah."
Sahih al-Bukhari 7291