TIME OF FAJR (DAWN SALAAT)
It starts from the true dawn (daybreak), when a horizontal whiteness appears on the horizon until a little before sunrise.
TIME OF ZUHR (NOON SALAAT)
It starts when the sun passes its meridian (zenith after zawwal) and ends when the shadow of an object used to measure doubles.
TIME OF ASR (LATE AFTERNOON SALAAT)
It starts when the shadow of an object used to measure doubles and ends at sunset.
TIME OF MAGHRIB (SUNSET SALAAT)
Begins at sunset until all whiteness disappears from the horizon. (approximately one hour and twenty minutes after sunset in some areas)
TIME OF ISHAA AND WITR (EVENING AND WITR SALAAT)
Starts from when all redness disappears from the horizon until true dawn (daybreak).
Witr cannot be read before ishaa since it is necessary to maintain the sequence.