preferredMaintenanceWindow

The time range each week during which system maintenance can occur, in Universal Coordinated Time (UTC). For more information, see Amazon RDS Maintenance Window in the Amazon RDS User Guide.

Constraints:

  • Must be in the format ddd:hh24:mi-ddd:hh24:mi.

  • Valid Days: 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.