How do I set the cat back an hour?

Ferret: Did I get all the clocks set back properly for daylight saving time? Yeah, I think I did, this time.

Ferret: …surely

Zack: Hey… Hey…

Zack: Wake up and feed me. it’s 7:30.
Ferret: No, it’s 6:30.
Zack: No, it’s 7:30!
Ferret: 6:30.
Zack: 7:30!