The Prophet Muhammad ﷺ clearly taught us this principle. When asked about someone who forgets a prayer or sleeps through its time, he said:
> "Whoever forgets a prayer should perform it as soon as he remembers it; there is no expiation for it except that: {and establish prayer to remember me.}" [Surat Tā-ha: 14]
> [Sahih Bukhari 597, Sahih Muslim 684]
This means that the moment you remember you missed Fajr, you should pray it right away—whether that's in the morning, afternoon, or even later in the day. The sin of negligence is erased by performing the prayer upon remembering it.
A few practical points to keep in mind:
1. Pray Fajr first, then the Sunnah rak'ahs – If you missed both the Sunnah (2 rak'ahs before Fajr) and the obligatory prayer, scholars differ on whether to pray the Sunnah first or after. The safest and most common practice is to pray the 2 Sunnah rak'ahs first, then the 2 obligatory rak'ahs, as this follows the usual order. However, if you fear the sun will rise before you finish, pray the obligatory prayer first.
2. You can also make up the Witr if you missed it – If you slept through Witr (the odd-numbered night prayer), the Prophet ﷺ said: "If anyone sleeps before praying Witr or forgets it, let him pray it once he remembers it." [Abu Dawood, Ibn Majah, Ahmad] So you can pray it even after dawn.
3. Don't neglect the regular Sunnah prayers – The Prophet ﷺ was most diligent about the 2 rak'ahs before Fajr. ʿĀ'ishah (may Allah be pleased with her) reported: "The Prophet ﷺ did not observe a voluntary prayer more regularly than the two Rak'ahs of Fajr." [Sahih Bukhari 1169, Sahih Muslim 724] So even when making up, try to include these.
4. If you catch even one rak'ah before sunrise – The Prophet ﷺ said: "Whoever catches one Rak'ah before sunrise, he has caught the Fajr prayer." [Sahih Bukhari & Muslim] So if you wake up just before sunrise, rush to pray at least one rak'ah in time.
A gentle reminder: The best way to avoid missing Fajr is to sleep early and set multiple alarms, or ask a family member to wake you. And if you miss it, don't let Shaytan make you feel so guilty that you skip it altogether—pray it as soon as you remember, and Allah will accept your sincere effort.
You can also use the prayer times feature in your Al Muslim Plus app to stay aware of Fajr time and set reminders. May Allah make it easy for you.