Working hours

Office hours:

Monday – Friday
9:00 – 14:00h

Evening opening hours (in case of cloudy, foggy, rainy or snowy weather conditions observations through telescope are not possible):

The Observatory is open for the public at evening hours four days in the week:

August 16th – April 30th

Tuesday: 20:00 – 22:00 h
Wednesday: 20:00 – 22:00 h
Thursday: 20:00 – 22:00 h
Friday: 20:00 – 22:00 h


June 1st – August 15th

Tuesday: 20:30 – 22:30 h
Wednesday: 20:30 – 22:30 h
Thursday: 20:30 – 22:30 h
Friday: 20:30 – 22:30 h

Observatory Zagreb is closed for public on 2018 Dec 25 and 26, and at evenings 2019 Jan 02-04.

In the case of favorable weather conditions (nights with a mostly clear sky) it is possible to observe the night sky through the telescope with expert astronomy explanations from our staff. For individual visits the entrance is free.

The Observatory is closed for public on saturdays, sundays and public holidays.

Using the library and the visits of organised groups are not possible without prior notice. Please call on tel. +385 1 4851-355 or send an  e-mail