Q: If ʿEid falls on a Friday, must one still attend Jumuʿah? A: If ʿEid falls on a Friday and a person attends the ʿEid prayer with the Imām, he is granted a concession regarding Jumuʿah. The jurists explain that what is lifted is attendance, not obligation. This distinction is important. Suqūṭ al-ḥuḍūr (lifting attendance) means he is permitted to miss Jumuʿah and instead pray Ẓuhr, similar to someone who is ill. Suqūṭ al-wujūb (lifting obligation) would mean Jumuʿah is not

There is no obligation to stop eating 15-20 minutes before Fajr. One may eat and drink until the actual entrance of true dawn.

The ruling returns to a broader principle: if a person deliberately causes something to enter his internal cavity (al-jawf), or any hollow space within the body, the fast is invalidated.