Brilliant work and I imagine it took hours of work. My experience on social media has been to post whenever I can. Preferably in the am since most of my followers are in North, Central or South America. On Steemit with the window being shortlived I think 10am EST is a safe time for my account.
Yeah it took about 5 hours. I spent ages tweaking it. Converting a date to a block number wasn't really necessary, but it makes it easier to use. Also, that method is super slow. I bet it can be done better.