| Fall 2022 | ||||
| September 5 | Monday | Labor Day – HIU CLOSED | ||
| September 6 | Tuesday | Fall semester begins/First day of classes | ||
| September 25-27 | Sun-Tue | Rosh Hashanah | ||
| September 26 | Monday | Rosh Hashanah observed - HIU CLOSED | ||
| September 27 | Tuesday | Last day to drop a class without academic or financial penalty | ||
| October 4 | Tuesday | Yom Kippur - Early Dismissal - HIU CLOSES at 6 PM | ||
| October 5 | Wednesday | Yom Kippur - HIU CLOSED | ||
| October 9-16 | Sun-Sun | Sukkot | ||
| October 17-21 | Mon-Fri | Advising Week | ||
| October 18 | Tuesday | Registration for January Intersession and Spring begins | ||
| October 24 | Monday | Last day to withdraw from a course without academic penalty | ||
| November 21-23 | Mon-Wed | Reading Days (No Classes) | ||
| November 24-27 | Thur-Sun | Thanksgiving Break - HIU CLOSED | ||
| December 19 | Monday | Last day of weekly classes (last day to register for January Intersession or Spring without penalty) | ||
| December 20-21 | Tue-Wed | Exam Week | ||
| December 21 | Wednesday | Fall semester ends | ||
| December 24-25 | Sat-Sun | Christmas Holiday Break – HIU CLOSED | ||
| Dec. 26 - Jan. 2 | Mon-Mon | Winter Break - HIU CLOSED | ||
| January Intersession and Spring 2023 | ||||
| January 3-13 | Tue-Fri | Intersession Classes | ||
| January 16 | Monday | Martin Luther King, Jr. Birthday – HIU CLOSED | ||
| January 17 | Tuesday | Spring semester begins/First day of classes | ||
| February 6 | Monday | Last day to drop a class without academic or financial penalty | ||
| February 22 | Wednesday | Ash Wednesday | ||
| March 6 | Monday | Last day to withdraw from a course without academic penalty | ||
| March 6 | Monday | Registration for Summer Session begins | ||
| March 27 | Monday | Registration for Fall begins | ||
| March 27-31 | Mon-Fri | Advising Week | ||
| April 3-6 | Mon-Thur | Reading Days (No Classes) | ||
| April 7 | Friday | Good Friday - HIU CLOSED | ||
| April 8-9 | Sat-Sun | Easter Saturday and Sunday - HIU CLOSED | ||
| April 6-13 | Thur-Thur | Passover | ||
| April 22 | Saturday | Eid al-Fitr - HIU CLOSED | ||
| May 1 | Monday | Last day of weekly classes (last day to register for Summer and Fall without penalty) | ||
| May 2-3 | Tue-Wed | Exam Week | ||
| May 3 | Wednesday | Spring semester ends | ||
| May 12 | Friday | Graduation | ||
| Summer Session 2023 | ||||
| May 15 | Monday | Summer session begins | ||
| May 25-27 | Thur-Sat | Shavuot | ||
| May 29 | Monday | Memorial Day - HIU CLOSED | ||
| June 19 | Monday | Juneteenth | ||
| June 28 | Wednesday | Eid al-Adha - HIU CLOSED | ||
| June 30 | Friday | Summer session ends | ||
| July 4 | Tuesday | Independence Day- HIU CLOSED | ||
| July 6 | Thursday | Eid al-Ghadir | ||
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