Well, the Hijri date 19 Muharram 1408 corresponds to the Gregorian date Saturday, 12 September 1987. This date lies in the first month of the Hijri year 1408 AH, which is Muharram of 1408 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1408/01/19 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 12 September 1987 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Muharram 1408 AH to its equivalent Gregorian date.
وَرَٰوَدَتْهُ ٱلَّتِى هُوَ فِى بَيْتِهَا عَن نَّفْسِهِۦ وَغَلَّقَتِ ٱلْأَبْوَٰبَ وَقَالَتْ هَيْتَ لَكَ ۚ قَالَ مَعَاذَ ٱللَّهِ ۖ إِنَّهُۥ رَبِّىٓ أَحْسَنَ مَثْوَاىَ ۖ إِنَّهُۥ لَا يُفْلِحُ ٱلظَّٰلِمُونَ
And she, in whose house he was, asked of him an evil act. She bolted the doors and said: Come! He said: I seek refuge in Allah! Lo! he is my lord, who hath treated me honourably. Lo! wrong-doers never prosper.
Surah Yusuf(12:23)
Sahih al-Bukhari
Fasting
Chapter: Observing Saum (fast) on the day of 'Ashura.
Narrated Salim's father:
The Prophet (ﷺ) said, "Whoever wishes may fast on the day of 'Ashura'."
Sahih al-Bukhari 2000