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.
continuing education unit (CEU) a unit of credit for educational offerings given to professional persons, determined by a professional organization according to a mathematical formula after a thorough review of the program of study, the qualifications of the instructors, and the program objectives.