The pg_cron extension allows you to schedule tasks from within your database (or, to those who didn’t know it was a thing, it allows you to hide {really well} jobs that mutate or remove data leading to absolutely inexplicable database content). While the project documents how to create or remove a scheduled job, I had quite the time figuring out how to see what was scheduled.
To see jobs scheduled in pg_cron:
To see the result of scheduled jobs: