Source: Muslim 713
Dua for entering the mosque
اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ
Allāhumma’ftaḥ lī abwāba raḥmatik.
“O Allah, open for me the gates of Your mercy.”
When to say it
Said when entering the mosque, stepping in with the right foot.
Virtue & benefit
Entering the house of Allah while asking for His mercy sets the heart in the right state for worship.
Source
Ṣaḥīḥ Muslim (713), from Abū Ḥumayd / Abū Usayd.
Frequently asked
What dua do you say when entering the mosque?
Enter with the right foot and say "Allāhumma’ftaḥ lī abwāba raḥmatik" — O Allah, open for me the gates of Your mercy.
Which foot do you enter the mosque with?
The right foot when entering, and you leave with the left foot.
Make this dua a daily habit
SABR helps you memorise and retain your everyday duas with spaced repetition — so the words are ready on your tongue when you need them.