The semester always begins on April 1 (summer) and October 1 (winter) of each year.

Semester Dates for the University of Cologne

Semester	Date	Time
Winter Semester 2026/27	Lecture Period	October 12, 2026 – February 5, 2027
Summer Semester 2027	Lecture period	April 5, 2027 – July 16, 2027
Winter Semester 2027/28	Lecture period	October 11, 2027 – February 4, 2028
Summer Semester 2028	Lecture period	April 17, 2028 – July 28, 2028
Winter Semester 2028/29	Lecture period	October 9, 2028 – February 2, 2029
Summer Semester 2029	Lecture period	April 9, 2029 – July 20, 2029