7.15 pm becomes 19:15 on a 24-hour clock. This is the same as saying it’s 15 minutes past 7 in the evening. To change 7.15 pm to 24-hour time, you add 12 to the hours.

Once selected (as shown at the top of the page) your phone or tablet will instantly switch over to the 24 hour clock without a reboot or anything. You’ll go from 9:30 AM to 09:30, or 2 PM will ...

The 12-hour clock divides the 24-hour day into two periods. 'Am' is the time before noon, and stands for 'ante meridium'. This is a Latin phrase that transtlate to 'before midday'.

Although the 24-hour clock is the norm in the other 170 or so countries — what we call 3 p.m., ... for example) commonly use AM and PM times in informal conversations.

You can buy a 24-hour clock on Amazon right now. ... Instead, the clock is divided into four unmarked quadrants. At the top there’s noon, followed by 6 pm, midnight, and 6 am.

Military time is based on a 24 hour clock instead of using the standard 12 hour clock. ... For example, 1:00 AM is written as 0100 hours, while 1:00 PM is written as 1300 hours. ...

The reason we use 12 hours, 24 hours, and divide hours up into 60 minutes comes down to the Ancient Egyptians. Instead of using base 10, they used base 12 . "Night-time was divided in 12 hours ...

The 24 hours of the day are divided into two periods- AM (Ante Meridiam) which means before midday and PM (Post Meridiam) means after midday and each period comprises of 12 hours in number.