It is observed after Fajr and before Asr prayers, between the zenith of noon and sunset, and contains 4 rak'a (units).

[2] On Friday, the Zuhr prayer is replaced or preceded by Friday prayer (jum'a) which is obligatory for Muslim men who are above the age of puberty and meet certain requirements to pray in congregation either in a mosque or with a group of Muslims.

In addition, there is a voluntary Sunnah prayer, although the details of it vary by branch of Islam.

In Zuhr, Al-Fatiha and the additional surah are to be read quietly or in a whisper (israr).

"Abdullah bin As-Sa'ib narrated: "Allah's Messenger would pray four (Rak'ah) after the Zawal of the sun before Az-Zuhr.