When does the time of Isha salat end?
In the Name of Allah, the Most Gracious, the Most Merciful.
The time for Isha ends as soon as the time of Fajr salat enters.
(Raddul Muhtaar: 2/23 Darul Ma’rifa)
And Allah knows best.
Mufti Faizal Riza
Darul Ifta Australia