When entered as the starting time for a shifts, '00:00' indicates that a shift starts at midnight at the beginning of the schedule day, while '24:00' indicates that a shift that starts at midnight at the end of the schedule day. Note: The 24 hour Time Format variation on the normal 24 hour time. Here are all the hourly times in AM/PM and 24-hour format: Include AM: Add AM after the time to indicate it. Add colon: Insert a colon (:) between the first two and last two digits. All you need to do is add 12 to any time in the PM to get 24-hour format time. Converting military time (24-hour) to 12-hour standard time follows these steps: For times between 12:00 AM (midnight) and 11:59 AM: Remove leading zeros: If the time starts with 0, simply remove it. So 1 PM in 24-hour format is 13:00, 2 PM is 14:00, and so on. 24-hour time format is similar regular AM/PM time, except that you keep counting up after you get past 12 PM (noon). Many places in the world use the 24-hour time format. Two digits of hours followed by a colon symbol and then two digits of minutes.Open topic with navigation 24-Hour Time Format Notice that we can write 12 am directly but on the other format, it really follows this standard 00:00. This is a simple table converting a 12-hour time to a 24-hour time format. 12-Hour to 24-Hour Time Format Conversion Table Even in the practice of medicine, biology and other forms of science, the 24-hour time format deemed to be helpful in determining the exact time without dividing the 24 hours of the day into two 12 hours periods (am/pm). The case is also true in gaming where a day session starts at 00:00 server time up to 23:59. This stands true in the context trading because charts are timed on this format. The 24-hour time format is used very heavily on formal or professional settings. These works just like your clock where when it ticks from 11:59pm and the clock hand moves to 12:00am, you know that that's the end of yesterday and a start of a new time today. So, to say that 24:00 as the end of today, that time is equal to 00:00 of the next day. This is also a proper usage because while 24:00 marks the end of that day, it is exactly the same as 00:00 of the next day. Notice that we can say that an entire day starts at 00:00 up to 24:00 on the same day. Also, the count-off time does not reset at 12:00 noon, it continues to count until it reaches 24:00 at midnight on the same day. Notice that on this format, the am and pm after the time is not being used. Let's move forward with the 24-hour time format.Įvery single day, the start of the day for a 24-hour time format is 00:00 at midnight and ends at 24:00 on the same day. You can see it on your school schedules, event posters, business hours and almost all watches and clocks use this format. The usage of 12-hour time format is very dominant in most countries in the world. However, the former one is commonly used to lessen ambiguity. It can also be written as 12:00 am to 12:00 am. So, to write whole day, or a 24 hours duration using a 12 hours format would be 12:00 am up to 11:59 am.

So, the duration of pm is from 12:00 pm (noon) up to 11:59pm (a minute before exact midnight). The pm after the hh:mm is an abbreviation as well of a Latin phase but this time it means 'after midday' or 'after noon'. Then, the proper way to write 12:00 noon is 12:00 pm. In other words, 12:00 am (midnight) up to 11:59 am (almost midday), we associate the end of hh:mm with am. In a 12-hour time format, the am is used in morning time and up just before midday. The am is an abbreviation of Ante Meridiem, a Latin phrase which means before midday or before noon. The proper way to write that is 12:00 am. The start time of every day is at 12:00 midnight. The maximum hour of each period is set to 12, either at midnight or at noon. It is where the 24 hours of the day is divided by two periods, in the morning and afternoon/evening. The most common time format is a 12-hour format. The Difference Between 12-Hour and 24-Hour Time Format If you want to clear the fields, you can do that by clicking on the Reset button.

The output will be displayed just below the ✍ Result heading. Enter 24 on hours, 30 on minutes and PM on meridiem, but it's already a default so let's move forward.įinally, click on the Calculate button to process your conversion. Let's say you want to convert 4:30PM to 24-hour format. Make sure to choose the correct meridiem, is it AM or PM? Choose the exact time. Enter your time 12-hour time format on the respective fields marked by labels. Then, on the main fields, you can see the defaults - hours, minutes and meridiem.

Convert standard time to 24 hour clock