Which days are called Ayam-e-Tashreeq?

Which days are called Ayam-e-Tashreeq?

ایام تشریق کن دنوں کو کہتے ہیں؟
Explanation

Uqbah bin Amir (R) said: The Messenger of Allahsaid:

"The Day of Arafah, the Day of Nahr, and the Days of Tashriq (11th, 12th, and 13th of Dhul-Hijjah) are Eid for us. The people of Islam, and they are days of eating and drinking,"

Jami at-Tirmidhi 773, Sunan Ibn Majah Vol 1: 1720 and Sunan an Nasai 3007