Mass on Sundays 11 am and on Wednesdays 10,30. Organ-concerts on Saturdays 12 o’clock in July – August 23d. The church is open 10 am – 5 pm. The tower is open from 10 to 16:30. Hallgrimskirkja is a living church with services, baptism, weddings and funerals and sometimes the church is closed because of ceremonies.