What is a 24 hours clock? asked by Sandeep Share with your friends Share 0 Aakash Sharma answered this Dear Student!Here is the link for the answer to your query. https://www.meritnation.com/ask-answer/question/why-do-the-numbers-change-in-a-24-hour-clock/math/765524 Cheers! 0 View Full Answer Manik Raj answered this Hello The 24-hour clock is a convention of 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. 0