1. What the Qibla is
Allah commands us to turn our faces toward the Sacred Mosque wherever we are:
> "So from wherever you go out, turn your face toward the Sacred Mosque. And wherever you may be, turn your faces toward it..." [Coran, Al-Baqara:150]
This direction was established after the Prophet ﷺ had been praying toward Jerusalem. He longed for a change, and Allah revealed:
> "We have certainly seen the turning of your face toward the heaven, and We will surely turn you to a Qiblah with which you will be pleased. So turn your face toward the Sacred Mosque..." [Coran, Al-Baqara:144]
The change happened dramatically: while the people of Qubā' were praying Fajr facing the Levant, a man came and told them the revelation had come, so they turned toward the Ka'bah right in the middle of their prayer [Sahih Bukhari & Muslim, source 3009].
2. How precise must you be?
You don't need to see the Ka'bah. The Prophet ﷺ taught that a general direction is enough:
> "What is between the east and the west is Qiblah." [Sunan At-Tirmidhi & Ibn Majah, source 10642]
This was said to the people of Medina, who are north of Mecca — so for them, facing anywhere between east and west means facing south, toward the Ka'bah. The scholars explain that a slight deviation is forgiven for someone far away who cannot see the Ka'bah; what invalidates the prayer is deliberately turning your back to it or putting it entirely to your side [Explanation of source 10642].
3. When you genuinely don't know the direction
Islam is a religion of ease. If you truly cannot determine the Qibla — for example, on a dark night or in an unfamiliar place — you pray according to your best judgment. The Companions once did exactly this:
> "We were with the Prophet ﷺ on a journey on a very dark night and we didn't know the direction of the Qiblah. So each man among us prayed in his own direction. In the morning, when we mentioned that to the Prophet ﷺ, the following verse was revealed: {So wherever you turn, there is the Face of Allah}." [Coran, Al-Baqara:115; Sunan At-Tirmidhi & Ibn Majah, source 10641]
So if you made a sincere effort and got it wrong, your prayer is valid — Allah is vast in mercy and knowledge [Coran, Al-Baqara:115].
4. A related ruling worth knowing
The Qibla is also honored in other contexts. When relieving yourself, you should not face or turn your back to the Qibla:
> "When you go to a place to relieve yourselves, do not face or turn your back to the Qiblah; rather, turn towards the east or the west." [Sahih Bukhari & Muslim, source 3078]
Practical tip: To find the Qibla accurately wherever you are, simply open the Qibla compass feature in your Al Muslim Plus app — it will point you precisely toward the Ka'bah. And when you're traveling and unsure, remember the principle above: your best effort is enough, and Allah does not burden a soul beyond its capacity.