Well, the Hijri date 21 Rabi Al Awwal 1375 corresponds to the Gregorian date Saturday, 5 November 1955. This date lies in the third month of the Hijri year 1375 AH, which is Rabi Al-Awwal of 1375 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1375/03/21 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 5 November 1955 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1375 AH to its equivalent Gregorian date.
فَنَظَرَ نَظْرَةًۭ فِى ٱلنُّجُومِ
And he glanced a glance at the stars
Surah As-Saaffaat(37:88)
Sahih al-Bukhari
Prayer at Night (Tahajjud)
Chapter: Leaving the night prayer by a patient
Narrated Jundab:
The Prophet (ﷺ) became sick and did not get up (for Tahajjud prayer) for a night or two.
Sahih al-Bukhari 1124