To avoid ambiguity in critical situations.The reasons behind the use of military time in these areas include the following: In the US, the 24-hour clock is used in specialist areas, such as: The count of hours after 12:59 PM is simply continued, so that 1:00 PM equals 13:00, 6:24 PM equals 18:24, and so on. Next, the times between midnight and 12:59 PM in the 24-hour clock format are the same as in the 12-hour format, with the exception of the AM/PM abbreviations, which are omitted in the former. But, unlike standard US time, by using the 24-hour clock, we would indicate midnight as 00:00. On the other hand, the 24-hour clock uses a unique number for each hour of the day, starting at 12:00 AM or midnight. Post meridiem (after noon) - PM or p.m.Ante meridiem (before noon) - AM or a.m.These abbreviations come from Latin terms: We see here that the US standard time uses the abbreviations “a.m.” and “PM” to signify time before noon and time after noon, respectively. 3:30 PM - Half past three in the afternoon.So, here are a couple of examples to illustrate the standard format used in the US to show time: Second block - starts at noon (12:00 p.m.) and ends at midnight (12:00 a.m.).First block - starts at midnight (12:00 a.m.) and ends at noon (12:00 p.m.).This clock splits the day into two blocks of time: The standard US timekeeping method uses the 12-hour clock. USA Timekeeping Law How is military time different from standard US time?
Military time clock 1100 iso#
The use of the 24-hour clock format is also encouraged by ISO 8601 international standards - established with the intention to provide clear and specific ways to communicate date and time. This timekeeping standard is widely used around the world, except in the US and several other countries, such as the following: Military time is a US term used to describe a timekeeping method otherwise known as the 24-hour clock.
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