When is what in the studies?

Key Semester Dates

As is common at many universities, the academic year at the University of Bonn is divided into two half-year semesters. The winter semester actually begins in autumn, while the summer semester begins in the spring. The formal semester start dates are not the same as the lecture periods, which change from year to year.

Academic Calendar

Semester start

Winter semester

October 1 – March 31

Summer semester

April 1 – September 30

Lecture Periods and Deadlines

Winter semester

 Lecture period

  • October 11, 2021 - February 4, 2022

Opening of the academic year

  • October 18, 2021

Dies Academicus

  • to be announced

Lecture-free period (Christmas break)

  • December 24, 2021 – January 6, 2022

Summer semester

Lecture period

  • April 12, 2021 – July 23, 2021

Dies Academicus

  • May 19, 2021

Lecture-free period (Pentecost break)

  • May 24-29, 2021

Re-registration deadlines

Winter semester

End of August

Summer semester

End of February

Lecture periods until 2024

  • Winter semester 2021/22
    October 11, 2021 - February 4, 2022
  • Summer semester 2022
    April 4, 2022 – July 15, 2022
  • Winter semester 2022/23
    October 4, 2022 – January 27, 2023
  • Summer semester 2023
    April 3, 2023 – July 14, 2023
  • Winter semester 2023/24
    October 9, 2023 – February 2, 2024
Eröffnung des Akademischen Jahres

All application, admission and enrollment deadlines can be found in the Application Deadlines section.

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