Well, the Hijri date 16 Dhul Qidah 1426 corresponds to the Gregorian date Sunday, 18 December 2005. This date lies in the eleventh month of the Hijri year 1426 AH, which is Dhu Al-Qidah of 1426 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1426/11/16 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 18 December 2005 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Dhul Qidah 1426 AH to its equivalent Gregorian date.
وَقَالُوا۟ كُونُوا۟ هُودًا أَوْ نَصَٰرَىٰ تَهْتَدُوا۟ ۗ قُلْ بَلْ مِلَّةَ إِبْرَٰهِۦمَ حَنِيفًۭا ۖ وَمَا كَانَ مِنَ ٱلْمُشْرِكِينَ
And they say: Be Jews or Christians, then ye will be rightly guided. Say (unto them, O Muhammad): Nay, but (we follow) the religion of Abraham, the upright, and he was not of the idolaters.
Surah Al-Baqara(2:135)