Actions That Void the Fast     Actions That void the fast can be divided into two types: Those which void the fast and require that the day be made up later: Vomiting: The Prophet, peace be upon him, said in the meaning of: "Whoever is overcome and vomits is not to make up the day. Whoever vomits intentionally must make up the day." Ejaculation of Sperm If one has the intention, while he is fasting, to break the fast, he, in effect, void the fast even if he doesn't actually eat anything. This is because the intention is one of the pillars of the fast, and if one changes his intention, he has nullified his fast. Those which void the fast and require an act of expiation The only action in this category is having sexual intercourse during a day in Ramadan.