The academic calendar of Hartnell College is based on two semesters and a summer session.
- Fall Semester begins in mid-August and ends in December.
- Spring Semester begins in mid-January and ends in late May or early June.
- Summer Session is six weeks beginning in mid-June and ending in July.
*International Application deadline: April 21, 2023
*International Application deadline: June 2, 2023
*International Application deadline: November 4, 2022
Students applying within the United States should submit their application documents at least six weeks before the beginning of the semester.