jennybhoney, all this stuff about cron, etc., can feel a little intimidating, I know. We’ll happily help if it feels like that. I remember when I was just getting started, too, & it wasn’t a fun time. WordPress takes a lot of the headaches out of running a website, but there’s still some technical knowledge required, especially if you want to customize the way it works. Do look to see if there are plugins like wp-cache or wp-totalcache on your site, as sometimes these interfere with scheduling. Also, make certain your server’s timezone is set to your own, as that can create some discrepancies in scheduling, especially if the server timezone is behind yours. You find this in ‘Settings > General’.
Again, do let us know if we can help you further–that’s why we’re here. It’s just hard to know how much to explain, especially since I have no idea with whom you host, &, as a consequence, I don’t know what their facilities are. But we’re anxious to help you resolve your issues.
All the best.