diff --git a/defaults/main.yml b/defaults/main.yml
index 02134ba..17ccef6 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -5,6 +5,11 @@ certbot_auto_renew_user: "{{ ansible_user | default(lookup('env', 'USER')) }}"
 certbot_auto_renew_hour: "3"
 certbot_auto_renew_minute: "30"
 certbot_auto_renew_options: "--quiet --no-self-upgrade"
+# Set required cron var to cronjob
+certbot_set_cron_var: false
+certbot_cron_vars: []
+# - name: "CRON_TZ"
+#   value: "Asia/Jakarta"
 
 # Parameters used when creating new Certbot certs.
 certbot_create_if_missing: false
diff --git a/tasks/renew-cron.yml b/tasks/renew-cron.yml
index 394a30e..09f9fc8 100644
--- a/tasks/renew-cron.yml
+++ b/tasks/renew-cron.yml
@@ -1,4 +1,17 @@
 ---
+- name: Add cron var (if certbot_set_cron_var is true)
+  cronvar:
+    insertafter: "{{ item.insertafter | default(omit) }}"
+    insertbefore: "{{ item.insertbefore | default(omit) }}"
+    state: "{{ item.state | default(omit) }}"
+    name: "{{ item.name | default(omit) }}"
+    value: "{{ item.value | default(omit) }}"
+    user: "{{ certbot_auto_renew_user }}"
+  loop: "{{ certbot_cron_vars }}"
+  when:
+    - certbot_set_cron_var
+    - certbot_cron_vars
+
 - name: Add cron job for certbot renewal (if configured).
   cron:
     name: Certbot automatic renewal.