Military times 1000 to 1159 - insert a colon between the first and last two digits.Military times 0100 to 0959 - remove the first digit (leading zero), add a colon, and add AM/a.m.Military times between 0000 to 0059 - insert a colon between the fist two and last two digits.Military time 1200 is used to signify 12:00 PM / noon.Military times 00 are used to signify 12:00 AM / midnight.There are several rules you need to follow when converting military to standard time: Standard times 1:00 PM to 11:59 PM - add 12 to the number of hours.Standard times 12:00 PM to 12:59 PM - remove the colon and the PM/p.m.Standard times 10:00 AM to 11:59 AM - remove the colon and the AM/a.m.Standard times 1:00 AM to 9:59 AM - add a zero before the first digit, remove the colon, and remove the AM/a.m.Standard times 12:01 AM to 12:59 AM - remove the colon, then subtract 12 from the number designating the hours.Standard time 12:00 AM in military time is either 0000 or 2400, as we’ve explained above.To convert standard to military time, take the following steps: However, if you're interested in time value formatting, following are the instructions to manual military to standard time conversion, as well as the reverse. Step-by-step conversion is the most time consuming way of converting military time. Referencing the military time to regular time chart.On the other hand, times between 23 represent the last minute of a given day. Namely, times from 00:00 to 00:01 can be used to signify the beginning, or more precisely - the first minute of a day. However, there might be a subtle difference in interpretation. This means that 2000 military time is not pronounced as "two thousand", but as one of the following: When pronouncing military time, you cannot use "thousands".When pronouncing military time, the leading zeros have to be said out loud.For example, 9:45 in the 24-hour clock turns into 0945 in military time. Military time uses leading zeros in writing.There is no separator between the first two digits (the ones representing the hours) and the last two digits (those representing minutes).Namely, US military forces, as well as allied English-speaking military forces, make the following changes to the standard 24-hour format: Military time slightly differs from the 24-hour clock used in other fields. To align with the internationally accepted time formatting within the mentioned professionsĭCAA Timekeeping Requirements Difference between the 24-hour clock and military time formats.To make collaborative work more convenient by using a shorter and more machine-friendly format (no separators or abbreviations).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? 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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