UD Academic Calendar 2026-2027 | University of Delaware
Now students and candidates can check the UD Academic Calendar 2026-2027 on this page. All information to guide you has been provided for you.
An academic calendar is essential for students, teachers, and staff. It’s like a reminder that shows all the important events and dates for the whole school year and each semester.
It’s not just for them; it also helps parents, alumni (former students), and people who want to join the school.
They all get useful information from it. What’s interesting is that each school makes its own academic calendar with lots of specific and carefully chosen dates.
University of Delaware 2025–2026 Academic Year Calendar
Table of Interests
Fall Semester 2025
Apr 14 (Mon) – Registration begins for Fall Semester 2025
Apr 15 (Tue) – Fall book orders due by faculty to UD Bookstore
May 1 (Thu) – Undergraduate admission application deadline for first-year students entering Fall 2025
May 1 (Thu) – Admissions deposit deadline for first-year students
Jun 23 (Mon) – New Student Orientation (NSO) programs begin
Jun 27 (Fri) – Graduate admission application deadline for Fall 2025 (many programs have earlier deadlines; some master’s programs extend into August)
Jul 21 (Mon) – NSO programs end
Aug 1 (Fri) – Undergraduate tuition/fee payment deadline for Fall 2025
Aug 19 (Tue) – New Graduate Student Orientation
Aug 22 (Fri) – International Student Orientation
Aug 23 (Sat) – Caesar Rodney and Pencader dining halls open (brunch & dinner)
Aug 23–25 – UD Welcome Days
Aug 24 (Sun) – First meal in dining halls for returning students (dinner)
Aug 25 (Mon) – Academic Orientations
Aug 25 (Mon) – Last day to apply for readmission for Fall 2025
Aug 26 (Tue) – Fall classes begin at 8:00 a.m.
Aug 26 (Tue) – Graduate/PCS tuition/fee payment deadline (classes subject to cancellation after this date)
Aug 29 (Fri) – Deadline for admission to doctoral candidacy for Fall 2025 or Winter 2026 conferral
September
Sep 1 (Mon) – Labor Day; offices closed; classes suspended
Sep 9 (Tue) – Last day to add/drop courses (no tuition rebate afterward; $25 processing fee; ‘W’ grade for withdrawals)
Sep 9 (Tue) – Last day to apply for personal/educational leave of absence for Fall 2025
Sep 9 (Tue) – Deadline for changing dining plan
Sep 9 (Tue) – Undergraduate deadline to complete deferred/incomplete work from Spring 2025 & Summer 2025
Sep 15 (Mon) – Graduate degree application deadline for Fall 2025 conferral
Sep 15 (Mon) – Winter 2026 book orders due
October
Oct 10 (Fri) – Fall 2025 midterm grades due in UDSIS
Oct 10 (Fri) – Re-Coop Day; classes suspended
Oct 15 (Wed) – Spring 2026 book orders due
Oct 20 (Mon) – Registration begins for Winter Term 2026
Oct 20 (Mon) – Graduate deadline for deferred/incomplete work from Spring 2025 & Summer 2025
November
Nov 3 (Mon) – Registration begins for Spring Semester 2026
Nov 10 (Mon) – Last day to change registration or withdraw from courses
Nov 15 (Sat) – Doctoral dissertations & ELP portfolios due for Fall 2025 conferral
Nov 15 (Sat) – Master’s theses due for Fall 2025 conferral
Nov 21 (Fri) – Thanksgiving Break begins after last class
Nov 21 (Fri) – Last meal in dining halls before break (dinner)
Nov 24–28 (Mon–Fri) – Classes suspended for Thanksgiving Break
Nov 27–28 (Thu–Fri) – Thanksgiving Holiday; offices closed
Nov 30 (Sun) – First meal after Thanksgiving Break (dinner)
December
Dec 1 (Mon) – Classes resume
Dec 5 (Fri) – Graduate admission application deadline for Spring 2026
Dec 9 (Tue) – Last day of classes (end 10:00 p.m.)
Dec 9 (Tue) – Last day to apply for medical Leave of Absence (Fall 2025)
Dec 10 (Wed) – Reading Day (no exams)
Dec 11 (Thu) – Final exams begin; dining halls serve all meals
Dec 15 (Mon) – Graduate degree application deadline for Winter 2026
Dec 15 (Mon) – Final exams end
Dec 15 (Mon) – Last meal in dining halls (dinner)
Dec 18 (Thu) – Fall 2025 grades due to UDSIS
Winter Term 2026
Sep 15 (Mon) – Winter book orders due
Oct 20 (Mon) – Registration begins
Jan 1 (Thu) – Last day to apply for readmission
Jan 2 (Fri) – Classes begin at 8:00 a.m.
Jan 2 (Fri) – First meal in dining halls
Jan 2 (Fri) – Tuition/fee payment deadline
Jan 8 (Thu) – Last day to add/drop; $25 fee afterward; ‘W’ grades for withdrawals
Jan 8 (Thu) – Dining plan change deadline
Jan 19 (Mon) – MLK Holiday; offices closed
Jan 20 (Tue) – Dissertations/portfolios/theses due for Winter 2026 conferral
Jan 23 (Fri) – Last day to change registration/withdraw
Jan 30 (Fri) – Last day of classes
Jan 31 (Sat) – Final exams; last meal in dining halls (dinner)
Feb 4 (Wed) – Grades due
Spring Semester 2026
Oct 15 (Wed) – Spring book orders due
Nov 1 (Sat) – Undergraduate application deadline (first-year & transfer)
Nov 3 (Mon) – Registration begins
Dec 5 (Fri) – Graduate application deadline for Spring 2026
Jan 2 (Fri) – Undergraduate tuition/fee payment deadline
Jan/Feb (TBD) – Winter New Student Orientation
Jan 29 (Thu) – New Graduate Student Orientation
Jan 30 (Fri) – International Student Orientation
Feb 1 (Sun) – Last day to apply for readmission
Feb 1 (Sun) – First meal in dining halls (brunch)
Feb 2 (Mon) – Spring classes begin at 8:00 a.m.
Feb 2 (Mon) – Graduate/PCS tuition/fee payment deadline
Feb 13 (Fri) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Feb 13 (Fri) – Last day for personal/educational leave of absence
Feb 13 (Fri) – Dining plan change deadline
Feb 13 (Fri) – Undergraduate deadline for deferred/incomplete work from Fall 2025/Winter 2026
Feb 13 (Fri) – Doctoral candidacy deadline for Spring 2026 conferral
Feb 15 (Sun) – Graduate degree application deadline for Spring 2026
Mar 10 (Tue) – Graduate degree application deadline for Summer 2026
Mar 15 (Sun) – Summer 2026 book orders due
Mar 20 (Fri) – Midterm grades due
Mar 20 (Fri) – Spring Break begins after last class
Mar 20 (Fri) – Last meal before break (lunch)
Mar 23 (Mon) – Graduate incomplete/deferred work deadline (Fall 2025/Winter 2026)
Mar 29 (Sun) – First meal after break (dinner)
Mar 30 (Mon) – Classes resume at 8:00 a.m.
Mar 30 (Mon) – Summer Term 2026 registration begins
Mar 30 (Mon) – Doctoral candidacy deadline for Summer 2026
Apr 7 (Tue) – Graduate admission deadline for Summer 2026
Apr 13 (Mon) – Registration for Fall 2026 begins
Apr 15 (Wed) – Fall 2026 book orders due
Apr 15 (Wed) – Dissertations/portfolios due for Spring 2026 conferral
Apr 15 (Wed) – Master’s theses due for Spring 2026 conferral
Apr 27 (Mon) – Last day to change registration/withdraw
May 1 (Fri) – Undergraduate application deadline for Fall 2026
May 1 (Fri) – Admissions deposit deadline
May 14 (Thu) – Last day of classes (end 10:00 p.m.)
May 14 (Thu) – Last day to apply for medical Leave of Absence
May 15 (Fri) – Reading Day
May 16 (Sat) – Final exams begin
May 18–22 – Doctoral Hooding, College Convocations
May 20 (Wed) – Final exams end; last meal in dining halls (dinner)
May 23 (Sat) – Commencement
May 25 (Mon) – Memorial Day; offices closed
May 26 (Tue) – Grades due
May 29 (Fri) – Alumni Weekend begins
First Summer Term 2026
Mar 10 (Tue) – Graduate degree application deadline for Summer 2026
Mar 15 (Sun) – Book orders due
Mar 30 (Mon) – Registration begins
Mar 30 (Mon) – Doctoral candidacy deadline
Jun 7 (Sun) – Last day to apply for readmission
Jun 7 (Sun) – First meal in dining halls (dinner)
Jun 8 (Mon) – Classes begin (8:00 a.m.)
Jun 8 (Mon) – Tuition/fee payment deadline
Jun 11 (Thu) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Jun 11 (Thu) – Dining plan change deadline
Jun 19 (Fri) – Juneteenth; offices closed; classes suspended
Jun 26 (Fri) – Graduate application deadline for Fall 2026
Jul 2 (Thu) – Last day to change registration/withdraw (5-week classes)
Jul 3 (Fri) – Independence Day Holiday (offices closed; dining open)
Jul 4 (Sat) – All dining closed
Jul 10 (Fri) – 5-week classes end
Jul 11 (Sat) – 5-week final exams
Jul 15 (Wed) – 5-week grades due
Jul 16 (Thu) – Withdrawal deadline for 7½-week classes
Jul 27 (Mon) – Last day of 7½-week classes (Mon/Wed meetings)
Jul 28 (Tue) – Last day of 7½-week classes (Tue/Thu meetings)
Jul 29 (Wed) – Final exams (Mon/Wed meetings)
Jul 30 (Thu) – Final exams (Tue/Thu meetings)
Aug 3 (Mon) – Grades due
Second Summer Term 2026
Mar 15 (Sun) – Summer book orders due
Mar 30 (Mon) – Registration begins
Jul 13 (Mon) – Classes begin (8:00 a.m.)
Jul 13 (Mon) – Tuition/fee payment deadline
Jul 16 (Thu) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Jul 16 (Thu) – Dining plan change deadline
Jul 20 (Mon) – Dissertations/portfolios/theses due for Summer 2026
Aug 6 (Thu) – Withdrawal/change deadline
Aug 13 (Thu) – Last day of classes
Aug 14 (Fri) – Final exams; last meal in dining halls (dinner)
Aug 18 (Tue) – Grades due
10-Week Summer Term 2026
Jun 17 (Wed) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Jul 31 (Fri) – Last day to change registration or withdraw
Aug 13 (Thu) – Last day of classes
Aug 14 (Fri) – Final exams
Aug 18 (Tue) – Grades due
Religious Observances
Sep 22, 2025 (Mon) – Rosh Hashanah begins at sundown (2 days)
Oct 1, 2025 (Wed) – Yom Kippur begins at sundown (continues next day)
Oct 20, 2025 (Mon) – Diwali
Mar 19, 2026 (Thu) – Eid al-Fitr begins at sundown (ends next day)
Apr 1, 2026 (Wed) – Passover begins (7 days)
Apr 3, 2026 (Fri) – Good Friday
May 26, 2026 (Tue) – Eid al-Adha begins at sundown (ends next day)
(See Faculty Handbook for excused absence policies.)
Accelerated Session Academic Calendar 2025–2026
Fall Session A (2258/A)
Apr 14 (Mon) – Registration begins
Aug 26 (Tue) – Classes begin
Sep 2 (Tue) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Oct 1 (Wed) – Last day to change registration/withdraw; deferred/incomplete work deadline
Oct 10 (Fri) – Last day of classes
Oct 14 (Tue) – Grades due
Fall Session B (2258/B)
Apr 14 (Mon) – Registration begins
Oct 13 (Mon) – Classes begin
Oct 20 (Mon) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Nov 19 (Wed) – Last day to change registration/withdraw; deferred/incomplete work deadline
Nov 21 (Fri) – Thanksgiving Break begins
Dec 1 (Mon) – Classes resume
Dec 5 (Fri) – Last day of classes
Dec 9 (Tue) – Grades due
Winter (2261)
Oct 20 (Mon) – Registration begins
Jan 2 (Fri) – Classes begin
Jan 8 (Thu) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Jan 23 (Fri) – Last day to change registration/withdraw
Jan 30 (Fri) – Last day of classes
Feb 4 (Wed) – Grades due
Spring Session A (2263/A)
Nov 3 (Mon) – Registration begins
Feb 2 (Mon) – Classes begin
Feb 9 (Mon) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Mar 11 (Wed) – Last day to change registration/withdraw; deferred/incomplete work deadline
Mar 20 (Fri) – Last day of classes
Mar 24 (Tue) – Grades due
Spring Session B (2263/B)
Nov 3 (Mon) – Registration begins
Mar 30 (Mon) – Classes begin
Apr 6 (Mon) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
May 6 (Wed) – Last day to change registration/withdraw; deferred/incomplete work deadline
May 15 (Fri) – Last day of classes
May 19 (Tue) – Grades due
Summer (2265/A)
Mar 30 (Mon) – Registration begins
Jun 8 (Mon) – Classes begin
Jun 15 (Mon) – Last day to add/drop; $25 fee afterward; ‘W’ grade for withdrawals
Jul 15 (Wed) – Last day to change registration/withdraw; deferred/incomplete work deadline
Jul 24 (Fri) – Last day of classes
Jul 28 (Tue) – Grades due
