Prayer Times
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 33
وَ فِي رِوَايَةِ مُعَاوِيَةَ بْنِ عَمَّارٍ: «وَقْتُ اَلْعِشَاءِ اَلْآخِرَةِ إِلَى ثُلُثِ اَللَّيْلِ.
In the narration of Muawiya ibn Ammar it is stated: "The time for the last Isha prayer extends until one-third of the night”.
- Ṣaḥīḥ al-Faqīh, p. 35