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Summer 2025 Semester Academic Calendar

Subject to change without notice. Last updated 10/3/2024.

Registration for all Summer 2025 courses begins on April 7, 2025.

Summer Session I: May 27 – July 3, 2025

Event Date Day
Holiday: Memorial Day May 26 (M)
Last Day to Withdraw from Classes without Owing Tuition & Fees May 26 (M)
First day of Instruction May 27 (T)
Last day to Register or Add Classes May 28 (W)
Last Day to Withdraw From Classes Without Owing Tuition. Student fees are still owed. (If you register and decide to not attend, you must officially withdraw by this date. Failure to withdraw will result in a financial obligation to the UH System and may result in an “F” for the class(es) not attended.) Note: Student activity fees are not refunded unless the student is completely withdrawn from all campuses of the University of Hawaiʻi system on or before the first day of instruction. May 28 (W)
Last Day to Exercise Credit/No Credit May 28 (W)
Last Day to Submit Auditors Form May 28 (W)
"Last Day to Drop A Class Online without “W” (To drop all your UH Hilo classes, visit the Complete Withdrawal instructions page.) June 2 (M)
"Last Day to Receive 50% Refund of Tuition for Complete Withdrawals (If you have not yet paid for your tuition, your account will be charged for 50% of the tuition and all fees.)" June 2 (M)
Last Day to Submit a Change of Major Request to the Office of the Registrar (To request to change your major, visit the Change of Major page) June 3 (T)
Holiday: King Kamehameha Day (observed) June 11 (W)
"Last Day to Drop A Class Online with “W” (To drop all your UH Hilo classes, visit the Complete Withdrawal instructions page.) June 17 (T)
Summer Session I Ends July 3 (R)
Holiday: Independence Day July 4 (F)
Final Grades Due in MyUH Services at 12 noon July 7 (M)

Summer Session II: July 7 – August 14, 2025

Event Date Day
Holiday: Independence Day July 4 (F)
Last Day to Withdraw from Classes without Owing Tuition & Fees July 6 (Su)
First day of Instruction July 7 (M)
Last day to Register or Add Classes July 8 (T)
Last Day to Withdraw From Classes Without Owing Tuition. Student fees are still owed. (If you register and decide to not attend, you must officially withdraw by this date. Failure to withdraw will result in a financial obligation to the UH System and may result in an “F” for the class(es) not attended.) Note: Student activity fees are not refunded unless the student is completely withdrawn from all campuses of the University of Hawaiʻi system on or before the first day of instruction. July 8 (T)
Last Day to Exercise Credit/No Credit July 9 (W)
Last Day to Submit Auditors Form July 9 (W)
"Last Day to Drop A Class Online without “W” (To drop all your UH Hilo classes, visit the Complete Withdrawal instructions page.) July 14 (M)
"Last Day to Receive 50% Refund of Tuition for Complete Withdrawals (If you have not yet paid for your tuition, your account will be charged for 50% of the tuition and all fees.)" July 14 (M)
"Last Day to Drop A Class Online with “W” (To drop all your UH Hilo classes, visit the Complete Withdrawal instructions page.) July 29 (T)
Summer Session II Ends August 14 (R)
Holiday: Statehood Day August 15 (F)
Final Grades Due in MyUH Services at 12 noon August 18 (M)

Summer 2025 Graduate Thesis/Dissertation Deadlines

Event Date (Day)
Graduate Thesis/Dissertation to Committee Deadline June 6 (F)
Graduate Thesis/Dissertation Defense Deadline Jun 20 (F)
Graduate Form 3 for Summer Graduates: Thesis/Project/Dissertation and Degree Requirements Completion Deadline: Student to Graduate Division Aug 5 (T)
Graduate Form 3 for Summer Graduates: Thesis/Project/Dissertation and Degree Requirements Completion Deadline: Graduate Division to the Office of the Registrar. No extensions. Aug 8 (F)

Special Sessions (Various Dates)

Special Session Schedule: Various start and end dates. View Class Schedules for schedule and deadlines.

Withdrawal and Refund deadlines vary by course.

Please use the course CRN tool for important withdrawal information. To check for your course CRN, please view the Class Schedules and select the term and course. If the deadline has passed, please see the college dean of that course for more information: