There are five obligatory daily prayers: (1) midday (ẓuhr) and (2) after­noon (ʿaṣr) prayers – each of these consists of four units (rakʿahs); (3) after sunset (maghrib), which is three rakʿahs; (4) evening (ʿishāʾ), which is four rakʿahs; and (5) morning (ṣubḥ), which is two rakʿahs.

Ruling 716. While travelling, one must perform the four rakʿah prayers as two rakʿahs in accordance with the conditions that will be mentioned later.