Iḥtiyāṭ can be either obligatory (Iḥtiyāṭ wajib) or recommended (Iḥtiyāṭ mustahab). In the school of fiqh (Islamic law), jurists may require or recommend acts of caution in certain areas.
For example, when fasting it is a precaution to stop eating and drinking approximately ten minutes prior to the time of The obligatory dawn prayer. It consists of two rakats (units), making it the shortest of the five daily prayers. Near to the time of the morning call to prayer (Adhan), a whiteness in the sky... More (
imsaak), in case the estimation for the time of fajr is incorrect.