Clock Time System Twenty-Four-Hour Clock Time System https://en.wikipedia.org/w/index.php?title=24-hour_clock&oldid=1063744105 https://www.commoncoreontologies.org/InformationEntityOntology 24-Hour Clock 24-Hour Clock Time System A Clock Time System for time keeping in which the Day runs from midnight to midnight and is divided into 24 Hours, indicated by the Hours passed since midnight, from 0 to 23. Military Time Military Time System Twenty-Four Hour Clock Time System Twenty-Four-Hour Clock