Maghrib-Isha prayers are offered together at Muzdalifa on 9th  Zill Hajj

...

Muzdalifah was the place where Prophet Adam (AS) the Maghrib and Isha prayers together.

Muzdalifah is also called Al-Ibtah, meaning flat area.

...

between 49 and 70 pebbles are collected from the ground at Muzdalifah and thrown at the three pillars at Mina, which represent the devil.

Muzdalifah (Arabic: مزدلفة) which is also known as al-Mashʿar or al-Mashʿar al-Ḥarām (المشعر الحرام) is a region between 'Arafat and Mina 

AGM 09-2-2023

ND16-8-2023