Well, the Hijri date 4 Rajab 1606 corresponds to the Gregorian date Thursday, 30 March 2180. This date lies in the seventh month of the Hijri year 1606 AH, which is Rajab of 1606 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1606/07/04 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 30 March 2180 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Rajab 1606 AH to its equivalent Gregorian date.
۞ مِنْهَا خَلَقْنَٰكُمْ وَفِيهَا نُعِيدُكُمْ وَمِنْهَا نُخْرِجُكُمْ تَارَةً أُخْرَىٰ
Thereof We created you, and thereunto We return you, and thence We bring you forth a second time.
Surah Taa-Haa(20:55)