Yes, services at the cathedral are open to all. On weekdays, masses are said at 7.30 am, 8.30 am, 9.30 am, and 6 pm, and additionally at 10.30 am in the Baptistery. On Sundays and holy days of obligation, mass is said at 7.30 am, 9 am, 10.30 am (in Gregorian chant), 12 noon, and at 6 pm (with organ accompaniment). On Saturdays, there is a mass in English at 5 pm, and an evening mass at 6 pm. It’s also possible to attend confession every day from 9 am to 12 noon and from 4.30 pm to 6.30 pm.