12-hour clock to 24-hour24-hour clock to 12-hour

How to Convert 12 Hour Time to 24 Hour Time

To convert 12-hour time to 24-hour time, follow the instructions below:

  • From 12:00 AM to 12:59 AM: Subtract 12 and remove AM
  • From 1:00 AM to 11:59 AM: Remove AM
  • From 12:00 PM to 12:59 PM: Remove PM
  • From 1:00 PM to 11:59 PM: Add 12 and remove PM

You can also use an online 12-hour to 24-hour converter for the 12-hour time to 24-hour time conversion.

12-hour to 24-hour Time Conversion Chart

You can use this chart to convert 12-hour time to 24-hour time format and vice versa.

12-hour clock24-hour clock
12:00 AM00:00
1:00 AM01:00
2:00 AM02:00
3:00 AM03:00
4:00 AM04:00
5:00 AM05:00
6:00 AM06:00
7:00 AM07:00
8:00 AM08:00
9:00 AM09:00
10:00 AM10:00
11:00 AM11:00
12:00 PM12:00
1:00 PM13:00
2:00 PM14:00
3:00 PM15:00
4:00 PM16:00
5:00 PM17:00
6:00 PM18:00
7:00 PM19:00
8:00 PM20:00
9:00 PM21:00
10:00 PM22:00
11:00 PM23:00
12:00 AM24:00