diff --git a/.github/workflows/callable-canary-e2e.yml b/.github/workflows/callable-canary-e2e.yml
index 2225b0c78ff..e5f07fbd452 100644
--- a/.github/workflows/callable-canary-e2e.yml
+++ b/.github/workflows/callable-canary-e2e.yml
@@ -42,7 +42,5 @@ jobs:
           WEBHOOK_URL: ${{ env.WEBHOOK_URL }}
         run: |
           curl -X POST -H "Content-Type: application/json" \
-          --data '{"URL":"$WORKFLOW_URL"}' \
+          --data {URL:$WORKFLOW_URL} \
           $WEBHOOK_URL
-         
-        
\ No newline at end of file
diff --git a/.github/workflows/on-schedule-canary-test.yml b/.github/workflows/on-schedule-canary-test.yml
index 6a366cd5853..d61491ab3ce 100644
--- a/.github/workflows/on-schedule-canary-test.yml
+++ b/.github/workflows/on-schedule-canary-test.yml
@@ -1,7 +1,8 @@
 on:
-  # Tests scheduled for every 1 hour
+  # Tests scheduled at 4pm(UTC) / 9am(PDT) everyday
+  # default supported timezone is UTC
   schedule:
-  - cron: '0 */1 * * *'
+    - cron: '0 16 * * *'
 
 jobs:
   canaries: