The Office of the Supreme Leader

Rules of Fasting

  • Fasting Defenition
  • Types of Fasting
  • Conditions of Obligatory Fast
  • Ways to Establish the New Lunar Month
  • Fasting Intention
  • Fast Invalidators
    • Eating and Drinking
    • Sex
    • To Remain Junub until Morning Adhān
    • Not Knowing How to Make Ghusl or Its Being Obligatory
    • Masturbation
    • To Attribute a Lie to Allah, the Prophets and the Infallible
    • Not To Make Thick Dust Reach the Throat
    • Immersing One's Head into Water
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      Immersing One's Head into Water

      153. Immersing one's head completely into water invalidates fast by obligatory caution and one should perform its qaḍā’ later.

      154. As far as the rule mentioned in the previous issue is concerned, it makes no difference whether or not one's body is inside the water while he puts the whole head under water.

      155. If one immerses one half of his head into water and takes it out to put the other half under water, the fast is valid.

      156. If the whole head is under water but some hairs are above water, the fast is void.

      157. If one doubts whether or not the whole head is under water, the fast is valid.

      158. If a fasting person falls into water unintentionally so that the whole head is under water, the fast is not void but he should bring his head out of water right away. Also, if he forgets that he is fasting and immerses his head under water, the fast is valid. However, he should take it out as soon as he remembers.

      To Immerse One's Head under Muḍāf Water
      159. Does immersing the head under muḍāf water invalidate fast?
      A: It does not invalidate fast except for rosewater. By obligatory caution, one should not immerse his head into rosewater.

      To Immerse into Water Wearing Diving Suits
      160. What rule applies to someone who immerses himself in water wearing waterproof clothing such as a diving suit which does not allow the body to become wet?
        A: If the clothing has close contact with his head, it is problematic to say his fast is valid. Hence, as an obligatory caution he should perform its qaḍā’.

      To Pour Water over the Head
      161. The gums of a person who is fasting bleed a lot. Does that invalidate his fast? Moreover, is it permissible to pour water over one’s head with a jug?  
        A: Bleeding of gums does not invalidate the fast unless the blood is swallowed. Also one’s fast is not affected by pouring water over one’s head with a jug or the like.
      Ghusl by Immersion due to Forgetfulness
      162. A fasting person is unaware that he is junub. In the afternoon, he notices and performs ghusl by immersion. Does this invalidate his fast? And if he realizes what he has done only after performing the ghusl, does he have to perform the qaḍā’ of the fast?
        A: If one performs ghusl by immersion out of forgetfulness (of the fact that he is fasting) or inadvertently, then both his fast and ghusl are valid; thus, he does not have to perform the qaḍā’ of the fast.
    • To Enema
    • Vomiting
    • Some Rules on Fast Invalidators
  • Medical Rules of Fasting
  • Rules for women
  • Zakat ul-Fitrah
  • Eid ul-Fitr Prayer
  • The Qaḍā’ Fast
  • Hired Fasts
  • Kaffārah of Fast
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