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The Spring 2023 semester started January 14 and ended May 18. Grades are due May 25. The census date for classes was January 30.

Session Dates and Deadlines

Graduation Petition Deadline

The deadline to submit a petition to graduate was Friday, March 3, 2023.

Refund Deadlines

  • Tuition and enrollment fees were refundable if classes were dropped by the first Friday of the session (for all sessions other than full semester) or by the second Friday of the semester (for full semester classes only).
  • The deadline to submit the refund application to Business Services was the last day of the full semester: May 18.
Session Start date Deadline to drop classes for fees refund Refund request to Business Services deadline
UC Davis winter January 9 January 13 May 18
Full semester January 14 January 27 May 18
First eight weeks January 14 January 20 May 18
First five weeks January 14 January 20 May 18
Second five weeks February 23 February 24 May 18
Second eight weeks March 20 March 24 May 18
Second eight weeks alternate March 20 March 24 May 18
UC Davis spring April 4 April 7 May 18
Third five weeks April 6 April 8 May 18


No classes were held and offices were closed in observance of the following holidays.

Date Holiday
January 2 New Year's Day
January 16 Martin Luther King, Jr.'s Birthday
February 17 Abraham Lincoln's Birthday
February 20 George Washington's Birthday
March 13 thru 19 Spring Recess (offices will remain open Monday, March 13 through Friday, March 17)
March 31 César Chávez Day
May 29 Memorial Day