Just make sure that you're using locale-sensitized date/time UI components and services and do all your server-side work in UTC.
The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.
You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.
Don't get me started about those stupid light bulbs.