You’re early you’re on time, if you’re on time you’re late.
A pretty common saying in Japan, as well. If you aren't at least 15 minutes early, it's insulting to many. Especially to older businessmen.
I used to be a late person, but after living here awhile I've changed and now I am always early.
Yes, I discovered that during my time there. I would arrive early thinking I would be be first in line for something and end up being among many who arrived early.