Well, the Hijri date 25 Jumada Al Akhira 1245 corresponds to the Gregorian date Monday, 21 December 1829. This date lies in the sixth month of the Hijri year 1245 AH, which is Jumada Al-Thani of 1245 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1245/06/25 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 21 December 1829 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Jumada Al Akhira 1245 AH to its equivalent Gregorian date.
وَإِن كَادُوا۟ لَيَفْتِنُونَكَ عَنِ ٱلَّذِىٓ أَوْحَيْنَآ إِلَيْكَ لِتَفْتَرِىَ عَلَيْنَا غَيْرَهُۥ ۖ وَإِذًۭا لَّٱتَّخَذُوكَ خَلِيلًۭا
And they indeed strove hard to beguile thee (Muhammad) away from that wherewith We have inspired thee, that thou shouldst invent other than it against Us; and then would they have accepted thee as a friend.
Surah Al-Israa(17:73)