diff --git a/manifests/configmap.yaml b/manifests/configmap.yaml
index 6d51053bb..7db161500 100644
--- a/manifests/configmap.yaml
+++ b/manifests/configmap.yaml
@@ -102,6 +102,7 @@ data:
   logical_backup_s3_sse: "AES256"
   logical_backup_s3_retention_time: ""
   logical_backup_schedule: "30 00 * * *"
+  # maintenance_windows: "Sat:22:00-23:59,Sun:00:00-01:00"
   major_version_upgrade_mode: "manual"
   # major_version_upgrade_team_allow_list: ""
   master_dns_name_format: "{cluster}.{namespace}.{hostedzone}"
diff --git a/manifests/postgresql-operator-default-configuration.yaml b/manifests/postgresql-operator-default-configuration.yaml
index d4f9fc812..0817a200a 100644
--- a/manifests/postgresql-operator-default-configuration.yaml
+++ b/manifests/postgresql-operator-default-configuration.yaml
@@ -16,6 +16,9 @@ configuration:
   # ignore_instance_limits_annotation_key: ""
   # ignore_resources_limits_annotation_key: ""
   # kubernetes_use_configmaps: false
+  # maintenance_windows:
+  # - "Sat:22:00-23:59"
+  # - "Sun:00:00-01:00"
   max_instances: -1
   min_instances: -1
   resync_period: 30m
diff --git a/pkg/cluster/util_test.go b/pkg/cluster/util_test.go
index e5622b9ac..ea3e81e89 100644
--- a/pkg/cluster/util_test.go
+++ b/pkg/cluster/util_test.go
@@ -735,7 +735,7 @@ func TestIsInMaintenanceWindow(t *testing.T) {
 		{
 			name:          "global maintenance windows all day",
 			windows:       nil,
-			configWindows: []string{"00:00-23:59"},
+			configWindows: []string{"00:00-02:00", "02:00-23:59"},
 			expected:      true,
 		},
 	}