Well, the Hijri date 13 Safar 1408 corresponds to the Gregorian date Tuesday, 6 October 1987. This date lies in the second month of the Hijri year 1408 AH, which is Safar of 1408 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1408/02/13 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 6 October 1987 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Safar 1408 AH to its equivalent Gregorian date.
وَلَقَد تَّرَكْنَا مِنْهَآ ءَايَةًۢ بَيِّنَةًۭ لِّقَوْمٍۢ يَعْقِلُونَ
And verily of that We have left a clear sign for people who have sense.
Surah Al-Ankaboot(29:35)
Sahih al-Bukhari
Fasting
Chapter: "Start observing Saum on seeing the crescent of Ramadan, and stop on seeing the crescent (of Shawwal)."
Narrated Abu Huraira:
The Prophet (ﷺ) or Abul-Qasim said, "Start fasting on seeing the crescent (of Ramadan), and give up fasting on seeing the crescent (of Shawwal), and if the sky is overcast (and you cannot see it), complete thirty days of Sha'ban."
Sahih al-Bukhari 1909