Your answer was 20:25
Correct!
If you look at the times between stops you’ll see a pattern emerging.
The first interval is 20 minutes, then 40 minutes, 15 minutes, 15 minutes, 40 minutes, and the last is a mystery.
The spacing and the coloured interval lines on the ticket show that the pattern is mirrored. It starts with how it ends.
So, if the first interval is 20 minutes, then the last one must be 20 minutes also.
20 minutes from the last stop at Stonehaven at 20:05 would mean you’d arrive in Aberdeen at 20:25.
The first part of the Case Code is: D