**To create an Amazon DocumentDB cluster** The following ``create-db-cluster`` example creates an Amazon DocumentDB cluster named ``sample-cluster`` with the preferred maintenance window on Sundays between 20:30 and 11:00. :: aws docdb create-db-cluster \ --db-cluster-identifier sample-cluster \ --engine docdb \ --master-username master-user \ --master-user-password password \ --preferred-maintenance-window Sun:20:30-Sun:21:00 Output:: { "DBCluster": { "DBClusterParameterGroup": "default.docdb3.6", "AssociatedRoles": [], "DBSubnetGroup": "default", "ClusterCreateTime": "2019-03-18T18:06:34.616Z", "Status": "creating", "Port": 27017, "PreferredMaintenanceWindow": "sun:20:30-sun:21:00", "HostedZoneId": "ZNKXH85TT8WVW", "DBClusterMembers": [], "Engine": "docdb", "DBClusterIdentifier": "sample-cluster", "PreferredBackupWindow": "10:12-10:42", "AvailabilityZones": [ "us-west-2d", "us-west-2f", "us-west-2e" ], "MasterUsername": "master-user", "BackupRetentionPeriod": 1, "ReaderEndpoint": "sample-cluster.cluster-ro-corcjozrlsfc.us-west-2.docdb.amazonaws.com", "VpcSecurityGroups": [ { "VpcSecurityGroupId": "sg-77186e0d", "Status": "active" } ], "StorageEncrypted": false, "DBClusterArn": "arn:aws:rds:us-west-2:123456789012:cluster:sample-cluster", "DbClusterResourceId": "cluster-L3R4YRSBUYDP4GLMTJ2WF5GH5Q", "MultiAZ": false, "Endpoint": "sample-cluster.cluster-corcjozrlsfc.us-west-2.docdb.amazonaws.com", "EngineVersion": "3.6.0" } } For more information, see `Creating an Amazon DocumentDB Cluster <https://docs.aws.amazon.com/documentdb/latest/developerguide/db-cluster-create.html>`__ in the *Amazon DocumentDB Developer Guide*.