Which date of Zil-Hajj is called Yaum-e-Arfat?

Which date of Zil-Hajj is called Yaum-e-Arfat?

ذی الحج کی کس تاریخ کو یوم عرفات کہتے ہیں؟
Explanation

The Day of Arafah falls on the 9th day of Dhul Hijjah.

It is the second day of the Hajj pilgrimage.

The following day marks the start of Eid al-Adha.

Additional Information:

Hajj was made compulsory in 9 A.H.

The first Hajj was performed in the same year.

Hajj is ordained in Surah Al-Baqarah.

There are three types of Hajj.

The Kalima Tauheed is recited during Hajj.