Muslims dry fast for a specific duration during the month of Ramadan. According to the provided reference, during Ramadan, dry fasting is performed for forty consecutive days, from sunrise to sunset. Food and drink are allowed at nights.
In summary:
- Duration: 40 consecutive days each year during Ramadan.
- Timing: From sunrise to sunset each day.
- Restrictions: No food or drink allowed during fasting hours.
- Permitted: Eating and drinking are allowed at night.