صحيح البخاري
Sahih Bukhari
كتاب مواقيت الصلاة
The Book of The Times of As-Salat (The Prayers) and Its Superiority
باب من لم يكره الصلاة إلا بعد العصر والفجر:
Chapter. Whoever did not dislike to offer optional prayers except after the compulsory prayers of Asr and Fajr only.
