http://registrar.utah.edu/academic-calendars/spring2015.php

Classes begin 	Monday, January 12
Martin Luther King Day: no classes Monday, January 19
Presidents’ Day: no classes Monday, February 16
Spring break: no classes March 14-22
Classes end Tuesday, April 28
Reading Day Wed, April 29
Final exam period Thursday April 30 to Wednesday May 6

http://registrar.utah.edu/academic-calendars/final-exams-spring2015.php

2280-2
12:55 am class has final exam on 
Wednesday, May 6, 2015 from 1:00 – 3:00 pm in LCB 219

2250-10 
8:05 am class has final exam on
Wednesday, May 6, 2015 from 8:00 – 10:00 am in WEB L114

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2280 course description (univ utah link)
 	
Linear and nonlinear differential equations and systems of equations, with applications.  Matrix exponential, fundamental solution matrix, phase-space and portraits, stability, initial and boundary-value problems, introduction to partial differential equations. Includes theoretical and computer lab components. Prerequisite linear algebra 2270 or equivalent.