When do In House Classes generally take place?
The exact days change from year to year but usually Summer Semester In House classes run from the first week of April for approx. 2 weeks and for Winter Semester the second week in October for approx. 2 weeks. You can figure out the exact dates of the start of the new semester on this page where you can find the academic calendar with the dates for the “teaching activities period”. http://www.fu-berlin.de/en/studium/studienorganisation/termine/