The lecture periods for all universities (start and end), including Heinrich Heine University, set by the Ministry of Culture and Science of the State of NRW, for the academic years 2015 - 2024 can be found here.
The HHU semester dates are available as PDF downloads:
Tutorials for new students
Each winter semester tutorials are offered for new students at HHU. These introductory events provide an orientation guide on how to start your studies. Please keep in mind that some of these events will take place before the start of the lecture period.