The length of the day at Denver International Airport varies significantly over the course of the year. In 2017, the shortest day is December 21, with 9 hours, 21 minutes of daylight; the longest day is June 21, with 15 hours, 0 minutes of daylight.
(April 2014) A continuing education unit (CEU) or continuing education credit (CEC) is a measure used in continuing education programs to assist the professional to maintain his or her license in their profession.
Contact hours refer to the stated amount of time an individual was present during a course. One contact hour is equal to 50 minutes of clock time. Continuing Education Unit (CEU) is the term used as the unit of measurement by colleges and university to designate 10 contact hours.