If you have ever looked at a Ramadan prayer schedule, you have probably noticed a column labeled “Imsak.” It is usually listed a few minutes before Fajr. For many Muslims, especially those new to fasting, this column can be a source of confusion.
This guide will answer all your questions about Imsak. We will look at what it means, when it is, and whether you really need to stop eating when it appears on your schedule.
What is Imsak?
The word imsak (إمساك) is an Arabic term that linguistically means “to cease,” “to hold back from,” or “to refrain”. It is the same root word used in the linguistic definition of fasting itself. In the Quran, when Maryam (Mary) says she has vowed a fast to the Most Gracious, she is referring to refraining from speaking.
In the context of Ramadan, Imsak refers to the time at which Muslims should stop eating and drinking to begin their fast. It is the moment of entering into a state of abstention. However, the key question is when that moment actually is.
According to Islamic rulings, the true starting point of the fast is dawn (Fajr). So, the Imsak time listed on most calendars is not a second, earlier obligation. Instead, it is a precautionary measure.
Did You Know?
In many Arab and Muslim-majority countries, one well-known Ramadan tradition is the use of a special Ramadan calendar called the Imsakieh, a name derived from the word Imsak. This calendar lists the daily prayer times for the entire month.
What Time is Imsak?
If you look at prayer schedules from around the world, you will notice that Imsak time is consistently listed a few minutes before Fajr.
In many countries, the standard practice is to set Imsak approximately 10 to 15 minutes before the Fajr adhan (Learn Adhan Words in Arabic). For example, the UAE Ramadan timetable for 2026 consistently shows Imsak 10 minutes before Fajr each day.
This timing is not arbitrary. It is based on the Prophetic tradition. A hadith narrated by Zaid bin Thabit reports that the time between the Prophet Muhammad (peace and blessings be upon him) finishing his pre-dawn meal (Suhur) and beginning the Fajr prayer was approximately the time it takes to recite 50 verses of the Quran. Scholars have estimated this duration to be around 10 minutes. Therefore, the Imsak time on your calendar is meant to represent that recommended gap.
Is It Obligatory to Stop Eating at Imsak?
No, it is not obligatory (wajib) to stop eating at the Imsak time printed on most calendars.
The obligatory fast begins exactly at true dawn (al-fajr al-sadiq). As Allah says in the Quran: “Eat and drink until the white streak of dawn becomes distinguishable from the darkness” [Quran 2:187] .
Therefore, if you continue to eat or drink right up until the adhan of Fajr, your fast is still valid . The Imsak time is a recommended (mustahabb) or precautionary (ihtiyat) measure, not a religious obligation. It is a way to be cautious, ensuring that you have definitely stopped before any possibility of Fajr entering.
So, if you take a sip of water a few minutes after the Imsak time but before the Fajr adhan, your fast is correct and you do not need to make it up later . The recommended act is to stop a short time before dawn, as the Prophet did, but the obligation is to stop by dawn at the latest.
Why Do Some Calendars Include Imsak?
If it is not obligatory, why do almost all Ramadan calendars include an Imsak column? There are a few practical reasons:
- A Precautionary Buffer (Ihtiyat): This is the primary reason. By stopping a few minutes early, you eliminate any doubt about whether you have accidentally eaten a second after Fajr began. This is especially important in places where it is difficult to visually determine the true dawn, such as in cities with significant light pollution.
- Standardization: Having a set Imsak time creates a clear, community-wide signal. Mosques can announce “Imsak” over loudspeakers, giving everyone a final warning that Suhur time is ending. It serves as a practical alarm to put down your food and drink.
- Varying Calculations for Fajr: Different organizations and calculation methods can have slight variations in the exact minute they determine for Fajr (sometimes differing by up to 20 minutes). To be on the safe side, calendar makers often use the earliest possible Fajr calculation for Imsak, ensuring that even those following a different method have stopped eating before their Fajr time begins.
Imsak vs Fajr – What's the Difference?
This is a crucial distinction to understand.
- Imsak Time: The time listed on your calendar, usually 10-15 minutes before Fajr. It is a recommended time to stop eating. It is a buffer zone.
- Fajr Time: The time of true dawn. It is the obligatory starting point of the fast. Once Fajr begins, eating, drinking, and other things that break the fast become prohibited.
What Should You Do at Imsak?
When you hear “Imsak” announced or see the time on your calendar, you should finish your Suhur. Put down your cup and your date. It is the signal that the window for eating is closing.
However, if you have a glass of water in your hand and the Imsak time arrives, you do not have to panic and spit it out. The time of obligation is still Fajr. The Maliki school of thought, for example, explicitly recommends stopping a short time before dawn but acknowledges that eating until dawn is technically correct. The most important thing is to be certain that you have stopped by the time Fajr actually enters.
Final Word
Imsak does not need to be confusing. It is simply a precautionary buffer before Fajr—a recommended time to stop eating so you can enter your fast with certainty. You are not required to stop at Imsak, but doing so follows Prophetic practice and gives you peace of mind.
If you want to learn more Arabic phrases for Ramadan—like how to greet others and extend Ramadan wishes, how to make duas in Arabic, or how to understand more Ramadan-related Arabic words like Imsak—the AlifBee blog can help.
The AlifBee App also offers structured lessons with native audio and cultural context to guide you step by step in your Arabic learning journey.
May your Ramadan be blessed and your fasts accepted.







