Fasting in Islam

 is the practice of abstaining, usually from food, drink, sexual activity and anything which substitutes food and drink. During the holy month of Ramadan, is observed between dawn and sunset when the Maghrib prayer is sounded. Ramadan is the ninth month of the Muslim lunar calendar and fasting is a requirement for Muslims as it is the fourth of the five pillars of Islam.

Quote

 * O ye who believe! Fasting is prescribed to you as it was prescribed to those before you, that ye may (learn) self-restraint,.
 * Al-Baqarah 183