Well, the Hijri date 21 Jumada Al Akhira 1408 corresponds to the Gregorian date Tuesday, 9 February 1988. This date lies in the sixth month of the Hijri year 1408 AH, which is Jumada Al-Thani of 1408 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1408/06/21 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 9 February 1988 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Jumada Al Akhira 1408 AH to its equivalent Gregorian date.
قَالُوٓا۟ إِنَّا تَطَيَّرْنَا بِكُمْ ۖ لَئِن لَّمْ تَنتَهُوا۟ لَنَرْجُمَنَّكُمْ وَلَيَمَسَّنَّكُم مِّنَّا عَذَابٌ أَلِيمٌۭ
(The people of the city) said: We augur ill of you. If ye desist not, we shall surely stone you, and grievous torture will befall you at our hands.
Surah Yaseen(36:18)
Sahih al-Bukhari
Prophets
Chapter: The Statement of Allah Taa'la: "...And Allah did take Ibrahim as a Khalil."
Narrated Um Sharik:
Allah's Messenger (ﷺ) ordered that the salamander should be killed and said, "It (i.e. the salamander) blew (the fire) on Abraham."
Sahih al-Bukhari 3359