preferredMaintenanceWindow
The time range each week during which system maintenance can occur. For more information, see Amazon RDS Maintenance Window in the Amazon RDS User Guide.
The default is a 30-minute window selected at random from an 8-hour block of time for each Amazon Web Services Region, occurring on a random day of the week.
Constraints:
Must be in the format
ddd:hh24:mi-ddd:hh24:mi
.The day values must be
mon | tue | wed | thu | fri | sat | sun
.Must be in Universal Coordinated Time (UTC).
Must not conflict with the preferred backup window.
Must be at least 30 minutes.