When we created our @bitexpert@rheinneckar.social Mastodon account, we were not sure how toots can be scheduled in advance. In the early days, we used one of the Mastodon Crossposting tools, but when that tool was shut down, we were unsure how to deal with the situation.
As I have written before we moved from Wordpress to Silverstripe. The Silverstripe blog module has all the functionally needed to be used on a daily basis. However I was missing one particular feature of Wordpress: I want to be able to automatically publish blog posts via Cron. After some research it turned out that Silverstripe supports so-called BuildTasks which can be called from command line or via an url call. After some more research I came up with the following task that will run on a daily basis and publish all blog posts that have been scheduled for the current day: