Board Thread:The Quarters - Q & A/@comment-24150802-20141105205937/@comment-24150802-20141106201431

@Kawunngg, yes, cron is always triggered the first time "you" take any action on the site after midnight (or your custom day start time if you use one). "You" means your account, so any third-party tool using your account can trigger cron.

I'm glad you asked this - it's reminded me that this should be added to the Beeminder page. :)