776. The Zuhr Nafilah is offered before Zuhr prayers. Its time is from the commencement of the time of Zuhr, up to the time when the shadow of indicatorequals 2/7th of its length. For example, if an indicator is 7 yards long, andthe shadow appearing after Zuhr reaches 2 yards, the Nafilah time would end. He should now offer Zuhr prayers.
777. The Asr Nafilah are offered before Asr prayers, and its time is till the moment when the shadow of an indicator appearing after Zuhr, reachesof 4/7th of its length.
In case a person wishes to offer Zuhr and Asr Nafilah after their recommendedtime, he can offer the Zuhr Nafilah after Zuhr prayers, and the Asr Nafilahafter Asr prayers, but as an obligatory precaution, he will not make niyyat of Ada or Qadha.
779. The time for Isha Nafilah is from the completion of Isha prayerstill midnight. It is better to offer it immediately, after Isha prayers.
781. The time for Namaz-e-Shab is from midnight till Adhan for Fajrprayers, and it is better to offer it nearer the time of Fajr prayers.
782. A traveller (i.e. one on a journey), and a person who finds itdifficult to offer Namaz-e-Shab after midnight, can offer it before midnight.