Fasting: Can Mustahabb Fasts Count as Qadā’ If One Forgets Missed Fasts?

Practical Laws of Islam as per the teachings of Imam Khamenei

Fasting: Can Mustahabb Fasts Count as Qadā’ If One Forgets Missed Fasts?

English:

Question #812:

If a person, not knowing the number of fasts missed, performs fasts with the intention of performing a recommended fast believing that he is not liable to any qaḍā’ , does this fasting count as qaḍā’ for missed fasts while he is liable to qaḍā’ of some fasts?

Answer #812:

The fasts kept with the intention of recommended fasting do not count as qaḍā’ for fasts one is liable to perform.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Fasting