Well, the Hijri date 16 Dhul Hijjah 1419 corresponds to the Gregorian date Friday, 2 April 1999. This date lies in the twelfth month of the Hijri year 1419 AH, which is Dhu Al-Hijjah of 1419 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1419/12/16 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 2 April 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Dhul Hijjah 1419 AH to its equivalent Gregorian date.
وَفُتِحَتِ ٱلسَّمَآءُ فَكَانَتْ أَبْوَٰبًۭا
And the heaven is opened and becometh as gates,
Surah An-Naba(78:19)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"And say 'Truth (i.e., Islamic Monotheism or this Qur'ān or Jihād against polytheists) has come and Bāṭil (falsehood i.e., Satan or polytheism, etc.) has vanished...'" (V.17:81)
Narrated `Abdullah bin Masud:
Allah's Messenger (ﷺ) entered Mecca (in the year of the Conquest) and there were three-hundred and sixty idols around the Ka`ba. He then started hitting them with a stick in his hand and say: 'Truth (i.e. Islam) has come and falsehood (disbelief) vanished. Truly falsehood (disbelief) is ever bound to vanish.' (17.81) 'Truth has come and falsehood (Iblis) can not create anything.' (34.49)
Sahih al-Bukhari 4720