Osun State University (UNIOSUN) Academic Calendar 2025/2026 Session

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Osun State University (UNIOSUN) revised academic calendar for the 2025/2026 academic session has been released and published by the school management and is now available on our site. Continue reading to see more details below

The revised academic calendar of the Osun State University (UNIOSUN) for the 2025/2026 academic session has been released following the announcement by the management.

However, Osun State University Osogbo Academic Calendar for Undergraduate serves as an information source and planning document for students, faculty, staff, and departments, as well as outside organizations.

The calendar includes registration dates, class start dates, add/drop deadlines, exam dates, and more.

UNIOSUN Academic Calendar

Below is the revised calendar for the 2025/2026 academic session. View and Download Osun State University Osogbo UNIOSUN Undergraduate Academic Calendar in PDF below.

January 2025

• Monday, 4th January
  • Opening of e-Portal for registration and
  • Payment of fees for returning students
• Monday, 4th January › Resumption for Harmattan 2025/2026 /Commencement of lectures for returning students
• Monday, 25th January › Resumption/Registration for Fresh Students
• Thursday, 28th January › Senate

February 2025

• Monday, 1st February › Commencement of Harmattan 2025/2026 lectures for fresh students
• Friday, 5th February › Closing of e-Portal for returning students
• Monday, 8th February › Orientation for Fresh Students
• Thursday, 25th February › Senate
• Friday, 26th February › Closing of e-Portal for fresh students

March 2025

• Wednesday, 10th March › Matriculation of Fresh Students
• Friday, 26th March › End of lectures (300 – 500 level)
• Monday, 29th –Friday, 2nd April › Lecture Free Week (300 -500 level)
• Thursday, 25th March › Senate

April 2025

• Wednesday, 7th April – Tuesday, 20th April › Harmattan Semester Examinations for 300 – 500 levels
• Wednesday, 21st April – Friday 30th April › Harmattan Semester Break (300-500 level)
• Friday, 23rd April › End of lectures (100 – 200 level)
• Monday, 26th April – Friday, 30th April › Lecture free week 100 – 200 Levels
• Wednesday, 21st April – Wednesday 5th May › Markings of Examination Scripts
• Monday, 26th April – Friday, 7th May › Harmattan Semester Examinations (100 – 200 level)
• Thursday, 29th April › Senate

May 2025

• Monday, 10th May – Friday, 14th May › Harmattan Semester GNS Examination for all levels
• Monday, 17th May
  • Resumption/Opening of Portals for Registration and Commencement of Lectures for Rain Semester for all levels
• Thursday, 27th May › Senate

June 2025

• Thursday, 24th June › Senate

July 2025

• Friday, 2nd July › Late Registration with Penalty
• Friday, 23rd July › End of Lectures for all Levels
• Monday, 26th July – Friday 30th July › Lecture Free Week
• Thursday, 29th July › Senate

August 2025

• Monday, 2nd August – Friday, 20th August › Rain Semester Examination
• Monday, 16th August – Friday, 20th August › GNS Examination
• Friday, 20th August › End of Rain Semester Examinations
• Monday, 23rd August › Rain Semester Break
• Monday, 23rd August – Friday, 10th September › Marking of Examination Scripts
• Thursday, 26th August › Senate

September 2025

• Thursday, 9th September › Senate
• Friday, 10th September › End of 2025/2026 Session/Commencement of Annual Leave of Academic Staff
• Thursday, 30th September › Senate

October 2025

• Friday, 22nd October › End of Annual Leave for Academic Staff
• Monday 25th October › Commencement of 2025/2026 Academic Session
• Thursday, 28th October › Senate

November 2025

Monday 8 November                                                

• Commencement of 2025/2026 Academic Session/Opening of e-portal and  resumption of Harmattan Semester for 100 level students

Monday 15^th November 

• Resumption and e-portal registration of 2025/2026 Harmattan Semester for returning students

Friday, 19^th November 

• End of Annual Leave for Academic Staff

Monday, 22^nd November 

• Commencement of lectures for all students

Download PDF

RECOMMENDED:

• UNIOSUN Admission Screening Form 2025/2026 Academic Session
• UNIOSUN Post UTME 2025/2026 Screening Form, Eligibility and Deadline
• UNIOSUN Post UTME / DE Form 2025/2026 Session Screening Portal Update
• UNIOSUN Courses and Requirement | List of Courses Offered
• UNIOSUN Portal www.uniosun.edu.ng/student/ Check Latest Application Update
• UNIOSUN Postgraduate  Questions 2025 & Answers PDF Download

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