24hour dating define intimidating person
Time-of-day notations beyond (such as or instead of or ) are not commonly used and not covered by the relevant standards.
However, they have been used occasionally in some special contexts in the United Kingdom, Canada, Japan, South Korea, Hong Kong and China where business hours extend beyond midnight, such as broadcast television production and scheduling.
In American English, the term military time is a synonym for the 24-hour clock.
In these dialects, the time of day is customarily given almost exclusively using the 12-hour clock notation, which counts the hours of the day as 12, 1, ..., 11 with suffixes a.m. distinguishing the two diurnal repetitions of this sequence.
This system is the most commonly used time notation in the world today, A limited number of countries, particularly English-speaking, use the 12-hour clock, or a mixture of the 24- and 12-hour time systems.
In countries where the 12-hour clock is still dominant, some professions prefer to use the 24-hour clock.
Where convenient, the notation may also be used to refer to midnight at the end of a given date — that is, of one day is the same time as of the following day.
The notation mainly serves to refer to the exact end of a day in a time interval.
The first mechanical public clocks introduced in Italy were mechanical 24-hour clocks which counted the 24 hours of the day from one half hour after sundown to the evening of the following day. However, striking clocks had to produce 300 strokes each day, which required a lot of rope, and wore out the mechanism quickly, so some localities switched to ringing sequences of 1 to 12 twice (156 strokes), or even 1 to 6 repeated four times (84 strokes).The most commonly used separator symbol between hours, minutes and seconds is the colon, which is also the symbol used in ISO 8601. military and some computer protocols), no separator is used and times are written as, for example, "2359".In the past, some European countries used the dot on the line as a separator, but most national standards on time notation have since then been changed to the international standard colon. In the 24-hour time notation, the day begins at midnight, , and the last minute of the day begins at .While the 24-hour notation unambiguously distinguishes between midnight at the start () and end () of any given date, there is no commonly accepted distinction among users of the 12-hour notation.Style guides and military communication regulations in some English-speaking countries discourage the use of even in the 24-hour notation, and recommend reporting times near midnight as or instead.