doctl-databases-maintenance-window
Schedule, and check the schedule of, maintenance windows for your databases.
TLDR
Run a doctl databases maintenance-window command with an access token
$ doctl databases maintenance-window [command] --access-token [access_token]
Retrieve details about a database cluster's maintenance windows
$ doctl databases maintenance-window get [database_id]
Update the maintenance window for a database cluster
$ doctl databases maintenance-window update [database_id] --day [day_of_the_week] --hour [hour_in_24_hours_format]