Time schedule of the Department of Natural Sciences

Time Schedule 2025-26

March 31 – July 4, 2025           Lecture period summer semester 2025
July 7 – 18, 2025                          1^st examination period summer semester 2025
July 7 – Sept 26, 2025                 Lecture free period
July 24, 2025*                                Department board meeting
Sept 15 – 26, 2025                       2^nd examination period summer semester 2025
Sept 15 – 26, 2025                       Introduction weeks for all first semester BSc students WS 25/26
Sept 25, 2025*                               Department board meeting
Sept 29, 2025                                 Welcome@H-BRS, Sankt Augustin
Sept 29, 2025 – Jan 23, 2026 Lecture period winter semester 2025/2026
Oct 9, 2025*                                   Departmental colloquium 5.00 p.m.
Oct 23, 2025*                                 Department board meeting
Oct 25, 2025*                                 Graduation Ceremony, Telekom Dome Bonn
Nov 13, 2025*                                Departmental colloquium 5.00 p.m.
Nov 5+6, 2025*                             Company day, Sankt Augustin
Nov 27, 2025*                                Department board meeting
Dec 1 – 5, 2025                             Registration in Apollo for all exams of the winter semester 25/26 (1^st and 2^nd period)
Dec 11, 2025*                                Departmental colloquium 5.00 p.m.
Dec 22, 2025 – Jan 2, 2026      Lecture free period
Dec 24, 2025 – Jan 2, 2026*    University closed
Jan 5 – Jan 23, 2026                 Continuation of the lecture period winter semester 25/26
Jan 8, 2026*                                  Departmental colloquium 5.00 p.m.
Jan 22, 2026*                               Department board meeting
Jan 23, 2026*                               Open Day, Campus Sankt Augustin
Jan 26 – Feb 6, 2026                 1^st examination period winter semester 25/26
Jan 26 – Apr 10, 2026                Lecture free period
Feb 26, 2026*                               Department board meeting
March 30 – April 10, 2026      2^nd examination period winter semester 25/26
March 26, 2026*                          Department board meeting
April 8, 2026*                               Taster day of Nachhaltige Chemie und Materialien
April 9, 2026*                               Taster day of BSc Biology
April 13 – July 17, 2026          Lecture period summer semester 2026
April 9, 2026*                               Departmental colloquium 5.00 p.m.
April 23, 2026*                             Department board meeting
May 7, 2026*                                Departmental colloquium 5.00 p.m.
May 9, 2026                                  Open Day, Campus Rheinbach
May 18 – 22, 2026                     Registration in Apollo for all exams of the summer semester 2026 (1^st and 2^nd period)
May 28, 2026*                             Department board meeting
June 11, 2026*                           Departmental colloquium 5.00 p.m.
June 25, 2026*                           Department board meeting
*subject to change

Bank Holidays:
Oct 3, 2025 German Unity Day
Nov 1, 2025 All Saints’ Day
Dec 25 – 26, 2025 Christmas
Jan 1, 2026 New Year's Day
Feb 16, 2026 Carnival Monday
Apr 3, 2026 Good Friday
Apr 6, 2026 Easter Monday
May 1, 2026 Labor Day
May 14, 2026 Ascension Day
May 25, 2026 Whit Monday
Jun 3, 2026 Corpus Christi