diff --git a/k8s/data-processing-cluster/deployments/etl-gardener-ndt.yml b/k8s/data-processing-cluster/deployments/etl-gardener-ndt.yml
index 60af080e..5de020f0 100644
--- a/k8s/data-processing-cluster/deployments/etl-gardener-ndt.yml
+++ b/k8s/data-processing-cluster/deployments/etl-gardener-ndt.yml
@@ -47,7 +47,7 @@ spec:
         - name: TASKFILE_BUCKET
           value: "archive-measurement-lab"
         - name: START_DATE
-          value: "20150101"
+          value: "20090218"  # Actual start date.  02/19 and 02/20 have no data.
         - name: EXPERIMENT
           value: "ndt"
         - name: DATASET
diff --git a/k8s/data-processing-cluster/deployments/etl-gardener-sidestream.yml b/k8s/data-processing-cluster/deployments/etl-gardener-sidestream.yml
index 37e3644b..5ff13639 100644
--- a/k8s/data-processing-cluster/deployments/etl-gardener-sidestream.yml
+++ b/k8s/data-processing-cluster/deployments/etl-gardener-sidestream.yml
@@ -47,7 +47,7 @@ spec:
         - name: TASKFILE_BUCKET
           value: "archive-measurement-lab"
         - name: START_DATE
-          value: "20150101"
+          value: "20090824"
         - name: EXPERIMENT
           value: "sidestream"
         - name: DATASET
diff --git a/k8s/data-processing-cluster/deployments/etl-gardener-traceroute.yml b/k8s/data-processing-cluster/deployments/etl-gardener-traceroute.yml
index ce9b4153..70d66421 100644
--- a/k8s/data-processing-cluster/deployments/etl-gardener-traceroute.yml
+++ b/k8s/data-processing-cluster/deployments/etl-gardener-traceroute.yml
@@ -47,7 +47,7 @@ spec:
         - name: TASKFILE_BUCKET
           value: "archive-measurement-lab"
         - name: START_DATE
-          value: "20150101"
+          value: "20130508"
         - name: EXPERIMENT
           value: "paris-traceroute"
         - name: DATASET