On galaxi 3 lock screen time display is backed ,like 23:12 will show 21:32. How can it be fixed

[AC Question]

It looks like a widget that can't be set nor deleted.

 

[B. Diddy]

Welcome to Android Central! That's very odd. Is anything else backwards, like text?

This is unlikely to be the cause, but just in case, go to Settings>Developer Options​, and make sure Force RTL isn't turned on.