Connected Custom Watchfaces / Which Watch Face are Wearing Today?

Posts
442
Likes
852
QUESTION:

Need help programming.
Sample watch face:



What I did:
11 is the date.
So I did this: {dd}
10 was yesterday: {dd}-1
12 is tomorrow: {dd)+1
And so on.
Sadly it doesn't work at 31 or 30.
How do I program that?

Any help would be appreciated.