"I saw the Messenger of Allah stading in Al-Muzdalifah and he said: 'Whoever offers this prayer whith us here then stands with us and stood before that in Arafat by nightor by day, his Hajj is complete.
Sunan an-Nasa'i Book 24, Hadith 422
← Previous Hadith "I never saw the Messenger of Allah offer any prayer except at the proper time, apart from Maghrib and Isha in Jam (Al-Muzdalifah) and Fajir on that day, which he offered before the usual time.

Sunan an-Nasa'i Book 24, Hadith 421 Next Hadith → The Messenger of allah said: "Whoever catches up (with Fajir prayer) in Jam (Al-Muzdalifah) with the Imam and the people (and stays there) until they move on, the he has caught up with Hajj. Whoever does not catuch up with the people and the Imam, then has not caught it (Hajj).'"

Sunan an-Nasa'i Book 24, Hadith 423