Yes, you can schedule your episodes to be published in advance.
When publishing a new episode, go to Scheduling and check the box labelled Schedule release date. You can then choose the date and time when you want the episode to be published.
If you want to schedule an early access episode in advance, check the box labeled Early access. On the Early access date, the episode is only available in Fountain and is only playable for paid subscribers and listeners who have purchased that episode.
On the General release date, the episode becomes available and playable by everyone in all podcast apps.
Please note that publishing times can only be set by hour, not by minute.