It is obligatory to perform the following five prayers during day and night:
Dawn prayers (Fajr) - 2 Rak'ats.
Midday (Zuhr) and Afternoon prayers ('Asr) - each one consisting of 4 Rak'ats.
Dusk prayers (Maghrib) - 3 Rak'ats and Night prayers ('Isha) - 4 Rak'ats.
736. While travelling, a traveller should reduce the prayers of 4 Rak'ats
to 2 Rak'ats. The conditions under which the Rak'ats are reduced will be mentioned
later.