Well, the Hijri date 25 Dhul Qidah 1220 corresponds to the Gregorian date Thursday, 13 February 1806. This date lies in the eleventh month of the Hijri year 1220 AH, which is Dhu Al-Qidah of 1220 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1220/11/25 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 13 February 1806 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Dhul Qidah 1220 AH to its equivalent Gregorian date.
وَإِذْ أَخَذْنَا مِيثَٰقَكُمْ لَا تَسْفِكُونَ دِمَآءَكُمْ وَلَا تُخْرِجُونَ أَنفُسَكُم مِّن دِيَٰرِكُمْ ثُمَّ أَقْرَرْتُمْ وَأَنتُمْ تَشْهَدُونَ
And when We made with you a covenant (saying): Shed not the blood of your people nor turn (a party of) your people out of your dwellings. Then ye ratified (Our covenant) and ye were witnesses (thereto).
Surah Al-Baqara(2:84)