I was reading a fatwa that says that if you break a nafilah (voluntary) fast, you have to replace it. However, I was taught that it was not necessary to replace a voluntary fast.

Does anyone have any strong evidence towards whether or not it is compulsory?

1 Answer 1

  • Shafei, Hanbali, and Maliki, schools: You don't have to replace, but are mustahab to do.

  • Hanafi: Youh have to replace.

  • Special case: If it was a Nuthr (vow نذر), then all the four schools agree that you have to replace.

Both opinions have evidences from Hadiths, but I will not translate them now, you can see them in the book below.

The majority say you don't have to, but are recommended to do. This majority say that the Hadith which tells that you have to replace (on which those who said you have to depend), doesn't mean "have to", but rather "mustahab to".


Al Mogni by Ibn Qudamah | Vol.3 | P.44 (A compared Fiqh book, in which all schools' opinions are mentioned an compared).

  • Let's say you have a 1 day Nuthr fast, and break that. Does that mean you have to fast 2 days -- one for the original Nuthr + one for the broken fast?
    – Muz
    Aug 9, 2012 at 6:08
  • 1
    @Muz: No, it only means that you have to replace the Nuthr day, i.e, fast one day. Aug 9, 2012 at 6:09

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