Choose Your Session:

Four-Week Summer Sub-Session

Summer 2025 four-week summer sub-session dates: May 19 – June 12; UI holiday is Monday, May 26; final exam day is Friday, June 13. There are  3 Mondays, 4 Tuesdays, 4 Wednesdays, and 4 Thursdays in the four-week summer sub-session for a total of 15 days.

University Classrooms

Courses not requiring a university classroom should consider following this schedule for student convenience in planning summer classes.

  • Courses must be scheduled every day on Monday through Thursday. 
  • Courses must be offered in the morning beginning at 8:30 a.m. and ending by 12:30 p.m. with courses starting on the half hour; a course cannot meet for more than three hours and 20 minutes at one time. 
  • Courses must meet for the entire length of the session or be an off-cycle course meeting within the four-week summer sub-session; approval is required by the Office of the Registrar in workflow for off-cycle courses and they should be intended for special populations. 
  • Internships and 0 s.h. courses cannot be offered in the four-week summer sub-session. 

1 s.h. = 750 contact minutes (must meet MTWR)
  Number of Days Number of Minutes per Day
MTWTh 15    50 min

2 s.h. = 1500 contact minutes (must meet MTWR)
  Number of Days Number of Minutes per Day
MTWTh 15    100 min (1 hr 40 min)

3 s.h. = 2250 contact minutes (must meet MTWR)
  Number of Days Number of Minutes per Day
MTWTh 15    150 min (2 hrs 30 min)

4 s.h. = 3000 contact minutes (must meet MTWR)
  Number of Days Number of Minutes per Day
MTWTh 15    200 min (3 hrs 20 min)

Eight-Week Summer Sub-Session

Summer 2025 eight-week summer sub-session dates: June 16 – Aug. 7; UI holiday is Friday, July 4; final exam day is Friday, Aug. 8. There are 8 Mondays, 8 Tuesdays, 8 Wednesdays, and 8 Thursdays in the eight-week summer sub-session for a total of 32 days.

University Classrooms

Courses not requiring a university classroom should consider following this schedule for student convenience in planning summer classes.

  • Courses are preferred to be offered in the morning beginning at 8:30 a.m. and ending by 12:30 p.m. with courses starting on the half hour; a course cannot meet for more than three hours at one time.
  • Courses that require a university classroom must be scheduled:
    • two days a week on MW or TTh;
    • three days a week on MTW or TWTh; or
    • four days a week on MTWTh.
  • All independent study courses must be offered in the eight- or twelve-week summer sub-sessions, regardless of meeting location.
  • Courses must meet for the entire length of the sub-session; off-cycle courses cannot be offered in the eight-week summer-sub-session.

1 s.h. = 750 contact minutes
  Number of Days Number of Minutes per Day
TTh                 16   50 min
MW 16   50 min

2 s.h. = 1500 contact minutes
  Number of Days Number of Minutes per Day
TTh                  16    95 min (1 hr 35 min)
MW 16    95 min (1 hr 35 min)
MTW  24    65 min (1 hr 5 min)
TWTh 24    65 min (1 hr 5 min)
MTWTh 32    50 min 

3 s.h. = 2250 contact minutes
  Number of Days Number of Minutes per Day
TTh      16    145 min (2 hrs 25 min)
MW 16    145 min (2 hrs 25 min)
MTW                24    95 min (1 hr 35 min)
TWTh 24    95 min (1 hr 35 min)
MTWTh 32    75 min (1 hr 15 min)

4 s.h. = 3000 contact minutes
  Number of Days Number of Minutes per Day
MTW                24    125 min (2 hrs 5 min)
TWTh 24    125 min (2 hrs 5 min)
MTWTh 32    95 min (1 hr 35 min)

5 s.h. = 3750 contact minutes
  Number of Days Number of Minutes per Day
MTWTh            32    120 min (2 hrs)

Six-Week Summer Sub-Sessions

Six-Week I Summer Sub-Session

Summer 2025 six-week I summer sub-session dates: May 19 – June 26; UI holiday is Monday, May 26; final exam day is Friday, June 27. There are 5 Mondays, 6 Tuesdays, 6 Wednesdays, and 6 Thursdays in this six-week summer sub-session for a total of 23 days.

University Classrooms

Courses not requiring a university classroom should consider following this schedule for student convenience in planning summer classes.

  • Courses are preferred to be offered in the afternoon beginning at 12:30 p.m. and must end by 6:00 p.m. with courses starting on the half hour; a course cannot meet for more than three hours at one time. 
  • Courses that require a university classroom must be scheduled: 
    • two days a week on MW or TTh; 
    • three days a week on MTW or TWTh; or
    • four days a week on MTWTh. 
  • Courses must meet for the entire length of the session or be an off-cycle course meeting within this six-week summer sub-session; approval is required by the Office of the Registrar in workflow for off-cycle courses and they should be intended for special populations.

1 s.h. = 750 contact minutes
  Number of Days Number of Minutes per Day
MW       11    70 min (1 hr 10 min)
TTh   12    65 min (1 hr 5 min)

2 s.h. = 1500 contact minutes
  Number of Days Number of Minutes per Day
MW       11    140 min (2 hrs 20 min)
TTh 12    125 min (2 hrs 5 min)

3 s.h. = 2250 contact minutes
  Number of Days Number of Minutes per Day
MTW     17    135 min (2 hrs 15 min)
TWTh 18    125 min (2 hrs 5 min)
MTWTh 23    100 min (1 hr 40 min)

4 s.h. = 3000 contact minutes
  Number of Days Number of Minutes per Day
MTW 17    180 min (3 hrs)
TWTh 18    170 min (2 hrs 50 min)
MTWTh 23    135 min (2 hrs 15 min)

5 s.h. = 3750 contact minutes
  Number of Days Number of Minutes per Day
MTWTh 23    165 min (2 hrs 45 min)

Six-Week II Summer Sub-Session

Summer 2025 six-week II summer sub-session dates: June 30 – Aug. 7; UI holiday is Friday, July 4; final exam day is Friday, Aug. 8. There are 6 Mondays, 6 Tuesdays, 6 Wednesdays, and 6 Thursdays in this six-week summer sub-session for a total of 24 days.

University Classrooms

Courses not requiring a university classroom should consider following this schedule for student convenience in planning summer classes.

  • Courses are preferred to be offered in the afternoon beginning at 12:30 p.m. and must end by 6:00 p.m. with courses starting on the half hour; a course cannot meet for more than three hours at one time.
  • Courses that require a university classroom must be scheduled:
    • two days a week on MW or TTh;
    • three days a week on MTW or TWTh; or
    • four days a week on MTWTh.
  • Courses must meet for the entire length of the session or be an off-cycle course meeting within this six-week summer sub-session; approval is required by the Office of the Registrar in workflow for off-cycle courses and they should be aimed at special populations.

1 s.h. = 750 contact minutes
  Number of Days Number of Minutes per Day
TTh                12    65 min (1 hr 5 min)
MW 12    65 min (1 hr 5 min)

2 s.h. = 1500 contact minutes
  Number of Days Number of Minutes per Day
TTh                12   125 min (2 hrs 5 min)
MW 12   125 min (2 hrs 5 min)

3 s.h. = 2250 contact minutes
  Number of Days Number of Minutes per Day
MTW              18    125 min (2 hrs 5 min)
TWTh 18    125 min (2 hrs 5 min)
MTWTh 24    95 min (1 hr 35 min)

4 s.h. = 3000 contact minutes
  Number of Days Number of Minutes per Day
MTW              18    170 min (2 hrs 50 min)
TWTh 18    170 min (2 hrs 50 min) 
MTWTh 24    125 min (2 hrs 5 min)

5 s.h. = 3750 contact minutes
  Number of Days Number of Minutes per Day
MTWTh            24    160 min (2 hrs 40 min)

Twelve-Week Summer Sub-Session

Summer 2025 twelve-week summer sub-session dates: May 19 – Aug. 7; UI holidays are Monday, May 26 and Friday, July 4; final exam day is Friday, Aug. 8. There are 11 Mondays, 12 Tuesdays, 12 Wednesdays, and 12 Thursdays in the twelve-week summer sub-session for a total number of 47 days.

University Classrooms

Courses not requiring a university classroom should consider following this schedule for student convenience in planning summer classes.

  • Courses are preferred to be offered in the afternoon beginning at 12:30 p.m. and must end by 6:00 p.m. with courses starting on the half hour; a course cannot meet for more than three hours at one time.
  • Courses that require a university classroom must be scheduled:
    • two days a week on MW or TTh;
    • three days a week on MTW or TWTh; or
    • four days a week on MTWTh.
  • All independent study courses must be offered in the eight- or twelve-week summer sub-sessions, regardless of meeting location.
  • Courses must meet for the entire length of the sub-session; off-cycle courses cannot be offered in the twelve-week summer sub-session.

2 s.h. = 1500 contact minutes
  Number of Days Number of Minutes per Day
MW       23    70 min (1 hr 10 min)
TTh 24    65 min (1 hr 5 min)

3 s.h. = 2250 contact minutes
  Number of Days Number of Minutes per Day
MW 23    100 min (1 hr 40 min)
TTh 24    95 min (1 hr 35 min) 
MTW 35    65 min (1 hr 5 min)
TWTh 36    65 min (1 hr 5 min)
MTWTh 47    50 min 

4 s.h. = 3000 contact minutes
  Number of Days Number of Minutes per Day
MW 23    135 min (2 hrs 15 min)
TTh 24    125 min (2 hrs 5 min)
MTW 35    90 min (1 hr 30 min)
TWTh 36    85 min (1 hr 25 min)
MTWTh  47    70 min (1 hr 10 min)

5 s.h. = 3750 contact minutes
  Number of Days Number of Minutes per Day
MW 23    165 min (2 hrs 45 min)
TTh 24    160 min (2 hrs 40 min)
MTW 35    110 min (1 hr 50 min)
TWTh 36    105 min (1 hr 45 min)
MTWTh 47    80 min (1 hr 20 min)