Classrooms and screens
Put a readable time display on a whiteboard, projector, or shared screen.
24 Hour Clock
24 Hour Clock Online
See current time on a live 24-hour clock with seconds. Convert AM/PM to 24-hour or military time, use fullscreen, and check the reference chart.
24 Hour Clock Online
12-hour to 24-hour conversion
24-hour clock and military time reference
For times after noon, add 12 to the hour: 1 PM becomes 13:00 and 8 PM becomes 20:00. Midnight is 00:00, while noon is 12:00.
Convert 12-hour time
24-hour time
20:00
12 AM
00:00
6 AM
06:00
9 AM
09:00
12 PM
12:00
1 PM
13:00
3 PM
15:00
5 PM
17:00
6 PM
18:00
8 PM
20:00
9 PM
21:00
11 PM
23:00
Midnight
00:00
A 24-hour clock avoids AM/PM ambiguity, which is why it is common in travel schedules, hospitals, public safety, aviation, logistics, and international work.
Meetings and offices
Keep the exact current time visible in conference rooms, desks, reception areas, and dashboards.
Streams and recordings
Use a clean browser clock in OBS or on a second display.
Related analog tools
Switch between digital and analog clock displays
Moving Clock
Watch live analog hands with smooth or ticking seconds, fullscreen mode, and burn-in safe movement.
Clock Face
Compare classic, Roman, minimal, and modern analog clock faces without passing through a redirected URL.
Interactive Analog Clock
Drag the hour and minute hands, hide the digital answer, and practise telling time.
Related clock tools
24 Hour Clock FAQ
What is the current time on a 24-hour clock?
The live display above shows your current local time in 24-hour format and updates continuously in your browser.
How do I convert 12-hour time to 24-hour time?
For PM times from 1 PM through 11 PM, add 12 to the hour. Midnight is 00:00 and noon is 12:00. You can also use the converter on this page.
Is a 24-hour clock the same as military time?
They use the same 00-to-23 hour system, but military time often uses different spoken conventions and may omit the colon in written time.