Well, the Hijri date 27 Shawwal 1373 corresponds to the Gregorian date Monday, 28 June 1954. This date lies in the tenth month of the Hijri year 1373 AH, which is Shawwal of 1373 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1373/10/27 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 28 June 1954 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Shawwal 1373 AH to its equivalent Gregorian date.
يَوْمَ نَبْطِشُ ٱلْبَطْشَةَ ٱلْكُبْرَىٰٓ إِنَّا مُنتَقِمُونَ
On the day when We shall seize them with the greater seizure, (then) in truth We shall punish.
Surah Ad-Dukhaan(44:16)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"...And sever your ties of kinship." (V.47:22)
Narrated Abu Huraira:
The Prophet (ﷺ) said, "Allah created His creation, and when He had finished it, the womb, got up and caught hold of Allah whereupon Allah said, "What is the matter?' On that, it said, 'I seek refuge with you from those who sever the ties of Kith and kin.' On that Allah said, 'Will you be satisfied if I bestow My favors on him who keeps your ties, and withhold My favors from him who severs your ties?' On that it said, 'Yes, O my Lord!' Then Allah said, 'That is for you.' " Abu Huraira added: If you wish, you can recite: "Would you then if you were given the authority. do mischief in the land and sever your ties of kinship. (47. 22)
Sahih al-Bukhari 4830