In Belgrade, on September 14 and 15, 2011, was held the First conference on science and opus of Milutin Milanković called "Calendar knowledge and contribution of Milutin Milanković".

The conference, sponsored by the University of Belgrade, was organized by the Association Milutin Milanković, in cooperation with several faculties, institutes, companies and the Directorate of Measures and Precious Metals.

This was the first in a series of conferences, devoted to areas of scientific expression of Milutin Milanković and recognition of his scientific contributions. The conference aimed to address the issue of calendar knowledge multidisciplinary from the view: mathematical and astronomical theories of measurement and computation of time and annual cycles; calendar knowledge history from ancient times to today, and so on.

By invitation of the organizers, Mrs. Jadranka Marendić-Miljkovic M.Sc. from DMDM gave a lecture entitled "The scientific basis of timing."