sunnahfastEvery act of worship in Islam carries reward — but fasting is spoken of differently. It is invisible. Prayer can be seen and charity can be counted, but nobody can look at you and know you are fasting. That secrecy is exactly what gives fasting its special place: it is a deed with no audience except Allah.
The deed Allah calls His own
In a famous hadith qudsi — a hadith in which the Prophet ﷺ relates words from Allah Himself — fasting is singled out from every other deed:
“On the authority of Abu Hurayrah (may Allah be pleased with him) from the Prophet (ﷺ), who said: Allah (mighty and sublime be He) says: Fasting is Mine and it is I who give reward for it. [A man] gives up his sexual passion, his food and his drink for my sake. Fasting is like a shield, and he who fasts has two joys: a joy when he breaks his fast and a joy when he meets his Lord. The change in the breath of the mouth of him who fasts is better in Allah's estimation than the smell of musk.”
Scholars have drawn out layer after layer from this. Fasting is the one act of worship that cannot really be done for show, so Allah attaches His own name to it. The “shield” is protection — from sin during the day, and beyond it. And the two joys are wonderfully honest about being human: the simple happiness of that first sip of water at sunset, and the far greater happiness of meeting your Lord with your fasts in your record.
Fasting when your deeds go up
The Prophet ﷺ also tied fasting to the weekly presentation of deeds:
“The deeds are presented on Monday and Thursday, and I like that my deeds be presented while I am fasting.”
That single sentence is why millions of Muslims quietly fast on Mondays and Thursdays to this day. It is not an obligation — it is a way of wanting your record at its best in the moment it is shown.
Small and steady beats grand and abandoned
If fasting is so beloved, should you fast constantly? The sunnah's answer is gentle and practical:
“Narrated `Aisha: Allah's Messenger (ﷺ) said, "Do good deeds properly, sincerely and moderately and know that your deeds will not make you enter Paradise, and that the most beloved deed to Allah is the most regular and constant even if it were little."”
This is the spirit behind the whole rhythm of sunnah fasting: two days a week, three days a month, a handful of special days a year. None of it is designed to exhaust you. It is designed to be kept — for years, Insha Allah — because the most beloved deed is the one still standing after the enthusiasm of week one has faded.
Where to begin
If this is new to you, start small: one Monday, or one White Day, and see how it feels. Our beginner's guide walks through a first fast step by step, the upcoming fasting days page lists every date, and a free reminder the evening before means you never have to keep track yourself, Insha Allah.