Regarding one who combines Maghrib and 'Isha' by advancing them, is it permissible for him to pray the sunnah and witr before the time of 'Isha' enters, and if he catches the 'Isha' prayer in the mosque, does he pray it with them as a voluntary prayer?
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The questioner : Regarding one who combines Maghrib and 'Isha' by advancing them, is it permissible for him to pray the sunnah and witr before the time of 'Isha' enters?
The Shaykh : Meaning, after the combination?
The questioner: Yes.
The Shaykh : Of course, he may do so.
The questioner : Of course, my Shaykh, another question arises: if one prays the sunnah and witr and then waits in the mosque until the time of 'Isha' enters, does he pray 'Isha' again as a voluntary prayer?
The Shaykh : Of course.
The questioner : Does his prayer of witr prevent him from doing so?
The Shaykh : It does not prevent him.
The questioner : May Allah reward you with good.
The Shaykh : And beware of that.
The Shaykh : Meaning, after the combination?
The questioner: Yes.
The Shaykh : Of course, he may do so.
The questioner : Of course, my Shaykh, another question arises: if one prays the sunnah and witr and then waits in the mosque until the time of 'Isha' enters, does he pray 'Isha' again as a voluntary prayer?
The Shaykh : Of course.
The questioner : Does his prayer of witr prevent him from doing so?
The Shaykh : It does not prevent him.
The questioner : May Allah reward you with good.
The Shaykh : And beware of that.
Source
www.al-albany.com
The Arabic text is copied verbatim from the original source, without any edits.