Does it support military (24-hour) time?

Yes — switch the time format to 24 HOURS to enter and read times in military format.

Try it: open the military time calculator — free, no sign-up.

Related answers

• What is 15:30 in payroll hours?
• How do I convert 24-hour time to 12-hour?
• Can I switch between 12-hour and 24-hour?