Visitors must book the visit in advance and get an online access pass; worshippers can walk straight in. The mosque is open to visitors from 09:00 to 20:30 every day except Friday, with last entry at 20:00. On Fridays it opens from 09:00 to 11:30, last entry 11:00, and again from 14:30 to 20:30. Hours differ in Ramadan.
The dress code asks for modest, loose clothing. Women need clothes that reach the ankles, sleeves to the wrists and their hair fully covered; men should cover their legs and avoid sleeveless, tight or see-through tops. Personal photos are allowed; professional equipment needs a permit.