Rules regarding Namaz times

750. A person can start offering prayers only when he becomes certain that the time has set in or can rely on the Adhaan of a person who knows the timings and is reliable, or when two just (Aadil) persons inform that the time has set in.

Time for Fajr prayer

749. Just before dawn a column of whiteness rises upwards from the east. It is called the first dawn (Fajr). When this whiteness spreads, it is called the second dawn, and the Prime time for Fajr prayers, and the time of offering the Fajr prayer lasts till sunrise.

Time for Maghrib and ‘Isha prayers

743. The time for Maghrib sets in when the redness in the eastern sky – which appears after sunset – passes overhead.

744. According to view of Mashhoor (famous) scholars, there are specific timings and common timings for offering both Namaz – e – Maghrib and ‘Isha:

Time for Zuhr and ‘Asr prayers