Humboldt-Universität zu Berlin | Faculty of Law | International Dispute Resolution | About the IDR LL.M. | General Information | Dates and Periods Dates and Periods Academic Year 2018/19 Winter Semester Summer Semester Lecture Period 15/10/2018 - 16/02/2019 08/04/2019 - 13/07/2019 No Lectures 22/12/2018 - 05/01/2019 19/04, 22/04, 01/05, 30/05, 10/06/2019 Enrollment Period To be announced.