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.