How to set clock?

[jesus]

Battery kinda went the other day meaning I had to re-enter the radio code but now the clock has reset itself. Tried everything, but can't do it. How is it done?

 

[Beef-Mc]

The buttons underneath the it.

 

[jesus]

pmsl - huge fail.

 

[DrR]

Epic fail.

 

[fUbAr]

closed as requested.