Well, the Hijri date 11 Rabi Al Thani 1401 corresponds to the Gregorian date Sunday, 15 February 1981. This date lies in the fourth month of the Hijri year 1401 AH, which is Rabi Al-Thani of 1401 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1401/04/11 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 15 February 1981 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Rabi Al Thani 1401 AH to its equivalent Gregorian date.
فَٱصْبِرْ كَمَا صَبَرَ أُو۟لُوا۟ ٱلْعَزْمِ مِنَ ٱلرُّسُلِ وَلَا تَسْتَعْجِل لَّهُمْ ۚ كَأَنَّهُمْ يَوْمَ يَرَوْنَ مَا يُوعَدُونَ لَمْ يَلْبَثُوٓا۟ إِلَّا سَاعَةًۭ مِّن نَّهَارٍۭ ۚ بَلَٰغٌۭ ۚ فَهَلْ يُهْلَكُ إِلَّا ٱلْقَوْمُ ٱلْفَٰسِقُونَ
Then have patience (O Muhammad) even as the stout of heart among the messengers (of old) had patience, and seek not to hasten on (the doom) for them. On the day when they see that which they are promised (it will seem to them) as though they had tarried but an hour of daylight. A clear message. Shall any be destroyed save evil-living folk?
Surah Al-Ahqaf(46:35)
Sahih al-Bukhari
Call to Prayers (Adhaan)
Chapter: Recitation of the Qur'an (Surat Al-Fatiha) is compulsory for the Imam and the followers, at the home and on journey, in all As-Salat (the prayers) whether the recitation is done silently or aloud.
Narrated Jabir bin Samura:
Sa`d said, "I used to pray with them a prayer similar to that of Allah's Messenger (ﷺ) (the prayer of Zuhr and `Asr) reducing nothing from them. I used to prolong the first two rak`at and shorten the last two rak`at." `Umar said to Sa`d "This was what we thought about you."
Sahih al-Bukhari 758