I know I've seen the 12-hour clock on the lock screen before, but right now (running 27.0) I can't reproduce it on my M1 Max MBP. On a fresh restart, it's displaying 24-hour time. On a logout, it ...

Some travelers are not used to military time or 24 hour clocks, in train stations and museums and airports the 24 hour clock is the usual thing in Europe. So it if it is 13:00 or higher just subtract ...