Hour: The meaning of HOUR is a

The meaning of HOUR is a time or office for daily liturgical devotion; especially : canonical hour. How to use hour in a sentence. Free calculator to get the number of hours, minutes, and seconds between two times. Also, a full version to calculate the time duration between two dates. World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes. 24-hour clock: A 24-hour clock typically uses the numbers 0-23, where 00:00 indicates midnight, and a day runs from midnight to midnight over the course of 24 hours. This time format is an international standard, and is often used to avoid the ambiguity resulting from the use of a 12-hour clock.