The First Time: the Zenith (al-Zawal). The supererogatory prayer (al-nafila) consists of eight units (rak'at), and they are: al-Qasim, al-Tahir, Abd Allah, Zaynab, Ruqayya, Umm Kulthum (whose name is Amina), and Fatima al-Zahra, the children of the Prophet from Khadija bint Khuwaylid; and Ibrahim from Mariya al-Qibtiyya.
Following them is the obligatory Noon (al-Zuhr) prayer: four units: Muhammad, Fatir, al-Hasan, and al-Husayn. Following them is the supererogatory Afternoon (al-Asr) prayer of eight units: Abd Allah, Muhammad, and Awn, the sons of Ja'far ibn Abi Talib; and Abu Sufyan, Ja'far, Muhammad, and Abu al-Hayyaj, the sons of al-Harith ibn Abd al-Muttalib; and Muhammad ibn Abi Hudhayfa.
The Second Time: the Afternoon. The obligatory prayer is four units: Muhammad, Fatir, al-Hasan, and al-Husayn. The Third Time: the Sunset (al-Maghrib). Its obligatory prayer is three units: Muhammad, Fatir, and al-Hasan. Following it is its supererogatory prayer of four units: Thawban (the freedman of the Messenger of God), Khuzayma ibn Thabit, Abu al-Haytham Malik ibn al-Tayyihan, and Abu Sa'id al-Khudri.
The Fourth Time: the Latter Night (al-Isha). The obligatory prayer is four units: Muhammad, Fatir, al-Hasan, and al-Husayn. Following it are two units performed while sitting, and they are: Zaynab al-Hawla al-Attara and Amat Allah bint Khalid ibn Sinan al-Absi. Following them is the Night Prayer (Salat al-Layl) of eight units: Abd Allah, Abd Manaf (who is Abu Talib), Hamza, al-Harith, al-Zubayr, al-Hajal, al-Muqawwam, and al-Ghaydaq, the sons of Abd al-Muttalib. Following them are three units, namely: the Even (al-Shaf') and the Odd (al-Witr). The Even consists of: Asad and Imran, the sons of Husayn; and the Odd is: Ubada ibn Bashir.
The Fifth Time: the Dawn (al-Fajr). The obligatory prayer is two units: Muhammad and Fatir. Preceding them is the supererogatory prayer: Sa'd ibn Malik al-Ansari and Nu'ayman al-Ansari. These are the fifty-one units mentioned by Lord Abu Abd Allah al-Khasibi — may God ennoble his station — in his epistle through explanation and through the composition of his poetry.