The military clock starts at midnight, known as 0000 hours. This is called “Zero Hundred Hours.” Instead of having a twelve-hour clock that resets twice, in military time, you work with one clock that starts with 0000 at midnight and runs all the way until 2359 hours (11:59 p.m.) until it resets at 0000 hours at midnight again. Note that the military clock does not use the colon to separate the hours and minutes.
- For example, while 2 a.m. is 0200 hours, 2 p.m. is 1400 hours.
- Contrary to popular belief, the military does not also call midnight 2400 hours, or “Twenty-Four Hundred Hours.”
- Usually they just call it Zero-Hundred or Zero-Hundred Hours.
Learn how to write the hours from midnight until noon in military time.
To know how to write the hours from midnight until noon in military time, you just have to add a zero before the hour and two zeros afterward. 1 a.m. is 0100 hours, 2 a.m is 0200 hours, 3 a.m. is 0300 hours, and so on. When you reach the two digit numbers, 10 a.m. and 11 a.m., just write 1000 hours for ten a.m. and 1100 hours for 11 a.m. Here are a few more
Learn how to write the hours from noon until midnight in military time. Things get a bit more tricky as the hours ascend from noon until midnight. In military time, you don’t start a new twelve-hour cycle after noon, but you continue to count beyond 1200 instead. Therefore, 1 p.m. becomes 1300 hours, 2 p.m. becomes 1400 hours, 3 p.m. becomes 1500 hours, and so on. This continues until midnight, when the clock resets.
Learn how to say the hours in military time. If you’re dealing with whole hours without any minutes, saying them aloud is easy. If there’s a zero as the first digit, then say the first two digits as “Zero” and whatever number is next, followed by “Hundred Hours.” If there’s a 1 or 2 as the first digit, then say the first two numbers as a pair of numbers with a tens and ones digit, followed by “Hundred Hours.”
Learn how to say hours and minutes in military time. Saying the time in military lingo is a bit trickier when you’re dealing with hours and minutes, but you can quickly get the hang of it. When you tell military time, you have to state the four digit number as two pairs of numbers with a tens and ones digit. For example, 1545 becomes “Fifteen Forty-Five Hours.” Here are some more rules for this process:
- If there are one or more zeros in front of the number, say them. 0003 is “Zero Zero Zero Three Hours” and 0215 is “Zero Two Fifteen Hours.”
- If there are no zeros in the first two digits of the number, then just say the first two numbers as a set with a tens and ones digit, and do the same with the last two digits. 1234 becomes “Twelve Thirty-Four Hours” and 1444 becomes “Fourteen Forty-Four Hours.”
- If the last number ends in zero, just think of it as the ones unit paired with the tens digit to its left. Therefore, 0130 is “Zero One Thirty.”
Learn to convert from military time to regular time. Once you know how to write and say military time, you can become a pro at converting from military to regular time. If you see a number greater than 1200, that means you’ve reached the afternoon hours, so just subtract 1200 from that number to get the time using the 12-hour clock. For example, 1400 hours is 2 p.m. in standard time, because you get 200 when you subtract 1200 from 1400. 2000 hours is 8 p.m. because when you subtract 1200 from 2000, you get 800.
- If you’re looking at a time less than 1200, then you know you’re working with numbers from midnight until noon. Simply use the first two digits to get the a.m. hour, and the last two digits to get the minutes to convert to military time.
- For example, 0950 hours means 9 hours and 50 minutes, or 9:50 a.m. 1130 hours means 11 hours and 30 minutes, or 11:30 a.m.
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