| Aug 27 | Mon | Classes begin |
| Aug 27 – Aug 31 | Mon – Fri | Add/Drop/Late Registration on the Web (https://my.oldwestbury.edu) ($40 late registration fee) |
| Sept 3 | Mon | Labor Day – no classes; offices closed |
| | | |
| Oct 1 | Mon | Applications for graduation (Registrar’s Office) due from candidates expecting to complete requirements by December 2012 |
| Oct 1 – Dec 10 | By Appointment | Advising in department offices for Spring 2013 registration |
| Oct 8 | Mon | Columbus Day observed – no classes offices closed |
| Oct 16 – Oct 22 | Tues – Mon | Mid-term week |
| Oct 25 | Thurs | Mid-term grades due |
| Nov 5 | Mon | Spring 2013 registration for seniors on the Web (https://my.oldwestbury.edu) |
| Nov 6 | Tues | Election Day – classes in session; offices minimally staffed |
| Nov 8 | Thurs | Spring 2013 registration for juniors on the Web (https://myoldwestbury.edu) |
| Nov 11 | Sun | Veterans Day |
| Nov 12 | Mon | Spring 2013 registration for sophomores on the Web (https://myoldwestbury.edu) |
| Nov 15 | Thurs | Spring 2013 registration for freshmen on the Web (https://myoldwestbury.edu) |
| Nov 16 – Dec 10 | | Continual registration for Spring 2013 for all students on the Web (https://myoldwestbury.edu) |
| Nov 21 | Wed | Dining Hall closes after dinner |
| Nov 22 – Nov 25 | Thurs – Sun | Thanksgiving Recess (begins after last class Wednesday) |
| Nov 25 | Sun | Dining Hall reopens for dinner |
| Nov 26 | Mon | Classes resume |
| Dec 11 – Dec 12 | Tues – Wed | Make-up /Study Days* *If classes are cancelled for any reason, they will be made up on these days. Otherwise, students should utilize these days as study days. |
| Dec 13 – Dec 19 | Thurs – Wed | Examinations week (Grades due 48 hours after final exams) |
| Dec 19 | Wed | Fall semester ends after last examination |
| Dec 20 | Thurs | Residence Halls close at 1pm |
| Dec 25 | Tues | Christmas Day – no classes; offices closed |
| Jan 1 | Tue | New Year’s Day – no classes; offices closed |
| Jan 2 | Wed | Winter Mini-semester begins |
| Jan 2 – Jan 18 | | Continual registration for Spring 2013 for all students on the Web (https://myoldwestbury.edu) |
| Jan 21 | Mon | Martin Luther King, Jr. Birthday observed – no classes; offices closed |
| Jan 16 – Jan 17 | Wed – Thurs | Advising for all students 10 A.M. – 7 P.M. |
| Jan 18 | Fri | Advising for all students 10 A.M. – 4 P.M. |
| Jan 21 | Mon | Residence Halls open |
| Jan 22 | Tues | Classes begin |
| Jan 22 – Jan 28 | Tues – Mon | Add/Drop/Late Registration on the Web (https://oldwestbury.edu) ($40 late registration fee) |
| Feb 12 | Tues | Lincoln’s Birthday |
| Feb 18 | Mon | President’s Day – no classes; offices closed |
| March 1 | Fri | Applications for graduation (Registrar’s office) due from candidates who expect to complete requirements by May 2013 |
| March 1 – May 8 | By Appointment | Advising in department offices for Fall 2013 registration |
| March 11 – March 16 | Mon – Sat | Mid-term week |
| March 20 | Wed | Mid-term grades due |
| March 23 | Sat | Dining Hall closes after breakfast |
| March 24 – March 31 | Sun – Sun | Spring recess |
| March 31 | Sun | Dining Hall reopens for dinner |
| April 1 | Mon | Classes resume |
| April 1 | Mon | Fall 2013 registration for seniors on the Web (https://myoldwestbury.edu) |
| April 4 | Thurs | Fall 2013 registration for juniors on the Web (https://myoldwestbury.edu) |
| April 8 | Mon | Fall 2013 registration for sophomores on the Web (https://myoldwestbury.edu) |
| April 11 | Thurs | Fall 2013 registration for freshmen on the Web (https://myoldwestbury.edu) |
| April 12 – Aug 23 | | Continual registration for Fall 2013 for all students on the Web (https://myoldwestbury.edu) |
| April 25 | Thurs | Honors Convocation – classes cancelled from 2 P.M. – 6 P.M. |
| May 9 – May 10 | Thurs – Fri | Make-up /Study Days* *If classes are cancelled for any reason, they will be made up on these days. Otherwise, students should utilize these days as study days. |
| May 11 – May 17 | Sat – Fri | Examinations week (Grades due 48 hours after final examination) |
| May 17 | Fri | Spring semester ends after last examination |
| May 18 | Sat | Residence Halls close at 1pm |
| May 19 | Sun | Commencement, 9 A.M. |
| May 20 | Mon | Summer Session IV begins (5 days/week) |
| May 27 | Mon | Memorial Day observed – no classes; offices closed |
| June 7 | Fri | Summer Session IV ends |
| June 11 | Tues | Summer Session I begins (2 days/week) Summer Session II begins (4 days/week) |
| July 4 | Thurs | Independence Day; no classes, offices closed |
| July 16 | Tues | Summer Session II ends Final grades due for Summer Session II 48 hours after final examination |
| July 18 | Thurs | Summer Session III begins (4 days/week, M-Th) |
| Aug 20 | Tues | Summer Session I ends Final grades due for Summer Session I 48 hours after final examination |
| Aug 21 | Wed | Summer Session III ends Final grades due for Summer Session I 48 hours after final examination |