preferredMaintenanceWindow

The weekly time range during which system maintenance can occur.

Valid for Cluster Type: Aurora DB clusters and Multi-AZ DB clusters

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. To see the time blocks available, see Adjusting the Preferred DB Cluster Maintenance Window in the Amazon Aurora User Guide.

Constraints:

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

  • Days must be one of Mon | Tue | Wed | Thu | Fri | Sat | Sun.

  • Must be in Universal Coordinated Time (UTC).

  • Must be at least 30 minutes.