Well, the Hijri date 11 Safar 1400 corresponds to the Gregorian date Sunday, 30 December 1979. This date lies in the second month of the Hijri year 1400 AH, which is Safar of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1400/02/11 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 30 December 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Safar 1400 AH to its equivalent Gregorian date.
فَرَجَعُوٓا۟ إِلَىٰٓ أَنفُسِهِمْ فَقَالُوٓا۟ إِنَّكُمْ أَنتُمُ ٱلظَّٰلِمُونَ
Then gathered they apart and said: Lo! ye yourselves are the wrong-doers.
Surah Al-Anbiyaa(21:64)
Sahih al-Bukhari
Hunting, Slaughtering
Chapter: The skin of dead animals
Narrated `Abdullah bin `Abbas:
Once Allah's Messenger (ﷺ) passed by a dead sheep and said (to the people), "Why don't you use its hide?" They said, "But it is dead," He said, "Only eating it, is prohibited."
Sahih al-Bukhari 5531