Time of Intention for Obligatory Fasts

Time of Intention for Obligatory Fasts

52. In normal situations, what is the time of Intention for Obligatory Fasts?

A: As to Ramadan fast and that to be observed in a specific day, one should intend fasting the night before — the early night up to morning adhān and for non-specific fasts, e.g. qaḍā’ fasts and absolute nadhr from the early previous night until ‘noon’ of the day of fasting. 

Source: Hadana adopted from the Istiftaat of the Grand Ayatollah Khamenei