The Zagreb Observatory is open to visitors in the evenings on Wednesdays and Thursdays from 20:00 to 22:00. During these times, in case of favorable weather conditions, observation with a telescope is possible. Office hours for professional-scientific work, informing the public and notices (no observation!): Mon-Fri from 9:00 a.m. to 2:00 p.m. Saturdays, Sundays and on holidays the Zagreb Astronomical Observatory is closed to the public.