diff --git a/libs/medic-users-meta/migrations/202105171933.do.86.usersMeta.sql b/libs/medic-users-meta/migrations/202105171933.do.86.usersMeta.sql
index 2116e1c..6ef1184 100644
--- a/libs/medic-users-meta/migrations/202105171933.do.86.usersMeta.sql
+++ b/libs/medic-users-meta/migrations/202105171933.do.86.usersMeta.sql
@@ -24,26 +24,29 @@ CREATE INDEX idx_useview_feedback_period_start_user ON useview_feedback(period_s
 CREATE MATERIALIZED VIEW useview_telemetry AS
 SELECT
   doc->>'_id' AS uuid,
-  CONCAT_WS(                                --> Date concatenation from JSON fields, eg. 2021-5-17
-    '-',
-    doc#>>'{metadata,year}',                --> year
-    CASE                                    --> month of the year
-      WHEN
-        string_to_array(substring(doc#>>'{metadata,versions,app}' FROM '(\d+.\d+.\d+)'),'.')::int[] < '{3,8,0}'::int[]
-      THEN
-        (doc#>>'{metadata,month}')::int+1   --> Legacy, months zero-indexed (0 - 11)
-      ELSE
-        (doc#>>'{metadata,month}')::int     --> Month is between 1 - 12
-    END,
-    CASE                                    --> day of the month, else 1
-      WHEN
-        (doc#>>'{metadata,day}') IS NOT NULL
-      THEN
-        doc#>>'{metadata,day}'
-      ELSE
-        '1'
-    END
-  )::date AS period_start,
+  (CASE 
+    WHEN doc#>>'{metadata,year}' IS NULL THEN '1970-1-1'
+  ELSE
+    CONCAT_WS(                                --> Date concatenation from JSON fields, eg. 2021-5-17
+      '-',
+      doc#>>'{metadata,year}',                --> year
+      CASE                                    --> month of the year
+        WHEN
+          string_to_array(substring(doc#>>'{metadata,versions,app}' FROM '(\d+.\d+.\d+)'),'.')::int[] < '{3,8,0}'::int[]
+        THEN
+          (doc#>>'{metadata,month}')::int+1   --> Legacy, months zero-indexed (0 - 11)
+        ELSE
+          (doc#>>'{metadata,month}')::int     --> Month is between 1 - 12
+      END,
+      CASE                                    --> day of the month, else 1
+        WHEN
+          (doc#>>'{metadata,day}') IS NOT NULL
+        THEN
+          doc#>>'{metadata,day}'
+        ELSE
+          '1'
+      END)
+    END)::date AS period_start,
   doc#>>'{metadata,user}' AS user_name,
   doc#>>'{metadata,versions,app}' AS app_version,
   doc#>>'{metrics,boot_time,min}' AS boot_time_min,
diff --git a/libs/medic-users-meta/migrations/202304140052.do.telemetry_devices.sql b/libs/medic-users-meta/migrations/202304140052.do.telemetry_devices.sql
index e45e115..92333ed 100644
--- a/libs/medic-users-meta/migrations/202304140052.do.telemetry_devices.sql
+++ b/libs/medic-users-meta/migrations/202304140052.do.telemetry_devices.sql
@@ -9,26 +9,28 @@ SELECT
   doc #>> '{_id}' AS telemetry_doc_id,
   doc #>> '{metadata,deviceId}' AS device_id,
   doc #>> '{metadata,user}' AS user_name,
-  
-  concat_ws(
-    '-',
-    doc #>> '{metadata,year}',
-    CASE
-      WHEN 
-        doc #>> '{metadata,day}' IS NULL 
-        AND (
-          doc #>> '{metadata,versions,app}' IS NULL 
-          OR string_to_array("substring"(doc #>> '{metadata,versions,app}', '(\d+.\d+.\d+)'), '.')::integer[] < '{3,8,0}'::integer[]
-        ) 
-      THEN (doc #>> '{metadata,month}')::integer + 1
-      ELSE (doc #>> '{metadata,month}')::integer
-    END,
-    CASE
-      WHEN doc #>> '{metadata,day}' IS NOT NULL 
-      THEN doc #>> '{metadata,day}'
-      ELSE '1'
-    END
-  )::date AS period_start,
+  (CASE 
+      WHEN doc#>>'{metadata,year}' IS NULL THEN '1970-1-1'
+  ELSE
+    concat_ws(
+      '-',
+      doc #>> '{metadata,year}',
+      CASE
+        WHEN 
+          doc #>> '{metadata,day}' IS NULL 
+          AND (
+            doc #>> '{metadata,versions,app}' IS NULL 
+            OR string_to_array("substring"(doc #>> '{metadata,versions,app}', '(\d+.\d+.\d+)'), '.')::integer[] < '{3,8,0}'::integer[]
+          ) 
+        THEN (doc #>> '{metadata,month}')::integer + 1
+        ELSE (doc #>> '{metadata,month}')::integer
+      END,
+      CASE
+        WHEN doc #>> '{metadata,day}' IS NOT NULL 
+        THEN doc #>> '{metadata,day}'
+        ELSE '1'
+      END)
+    END)::date AS period_start,
     
 
   doc #>> '{device,deviceInfo,hardware,manufacturer}' AS device_manufacturer,
diff --git a/libs/medic-users-meta/migrations/202304140054.do.telemetry_metrics.sql b/libs/medic-users-meta/migrations/202304140054.do.telemetry_metrics.sql
index 97b8266..e69aac2 100644
--- a/libs/medic-users-meta/migrations/202304140054.do.telemetry_metrics.sql
+++ b/libs/medic-users-meta/migrations/202304140054.do.telemetry_metrics.sql
@@ -8,17 +8,20 @@ WITH telemetry_docs_with_metric_blob AS (
     doc #>> '{metadata,deviceId}' AS device_id,
     doc #>> '{_id}' AS telemetry_doc_id,
     doc #>> '{metadata,user}' AS user_name,
-    concat_ws(
-      '-', doc #>> '{metadata,year}',
-      CASE
-          WHEN (doc #>> '{metadata,day}') IS NULL AND ((doc #>> '{metadata,versions,app}') IS NULL OR string_to_array("substring"(doc #>> '{metadata,versions,app}', '(\d+.\d+.\d+)'::text), '.'::text)::integer[] < '{3,8,0}'::integer[]) THEN ((doc #>> '{metadata,month}')::integer) + 1
-          ELSE (doc #>> '{metadata,month}')::integer
-      END,
-      CASE
-          WHEN (doc #>> '{metadata,day}') IS NOT NULL THEN doc #>> '{metadata,day}'
-          ELSE '1'::text
-      END
-    )::date AS period_start,
+    (CASE 
+      WHEN doc#>>'{metadata,year}' IS NULL THEN '1970-1-1'
+    ELSE
+      concat_ws(
+        '-', doc #>> '{metadata,year}',
+        CASE
+            WHEN (doc #>> '{metadata,day}') IS NULL AND ((doc #>> '{metadata,versions,app}') IS NULL OR string_to_array("substring"(doc #>> '{metadata,versions,app}', '(\d+.\d+.\d+)'::text), '.'::text)::integer[] < '{3,8,0}'::integer[]) THEN ((doc #>> '{metadata,month}')::integer) + 1
+            ELSE (doc #>> '{metadata,month}')::integer
+        END,
+        CASE
+            WHEN (doc #>> '{metadata,day}') IS NOT NULL THEN doc #>> '{metadata,day}'
+            ELSE '1'::text
+        END)
+      END)::date AS period_start,
     jsonb_object_keys(doc -> 'metrics'::text) AS metric,
     doc -> 'metrics' -> jsonb_object_keys(doc -> 'metrics') AS metric_values
    FROM couchdb_users_meta