Well, the Hijri date 1 Rabi Al Thani 1420 corresponds to the Gregorian date Wednesday, 14 July 1999. This date lies in the fourth month of the Hijri year 1420 AH, which is Rabi Al-Thani of 1420 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1420/04/01 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 14 July 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rabi Al Thani 1420 AH to its equivalent Gregorian date.
فَشَٰرِبُونَ عَلَيْهِ مِنَ ٱلْحَمِيمِ
And thereon ye will drink of boiling water,
Surah Al-Waaqia(56:54)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: Riding alone or with somebody else during Hajj
Narrated 'Ubaidullah bin `Abdullah:
Ibn `Abbas' said, "Usama rode behind Allah's Messenger (ﷺ) from `Arafat to Al-Muzdalifa; and then Al-Fadl rode behind Allah's Messenger (ﷺ) from Al-Muzdalifa to Mina." Ibn `Abbas added, "Both of them said, 'The Prophet kept on reciting Talbiya till he did the Rami of Jamrat-Al-`Aqaba.' "
Sahih al-Bukhari 1543, 1544