BUSINESS HOURS BUSINESS HOURS 🟢 REACHABLE BY PHONE: Mo - fr 08:00 AM – 12:30 PM and 1:15 PM – 5:00 PM OPENED: Mo - Fr 08:00 AM - 5:00 PM (visit by appointment) CLOSED:Dutch public holidays, including Good Friday and the day after Ascension DaySummer holidays: week 32Christmas holidays: week 52 and week 1