diff --git a/evolinux-base/defaults/main.yml b/evolinux-base/defaults/main.yml
index 42e3ad32..6a6adbcb 100644
--- a/evolinux-base/defaults/main.yml
+++ b/evolinux-base/defaults/main.yml
@@ -53,3 +53,4 @@ evolinux_ssh_disable_root: True
 
 evolinux_ntp_server: Null
 evolinux_delete_nfs: True
+evolinux_timezone: "Europe/Paris"
diff --git a/evolinux-base/tasks/system.yml b/evolinux-base/tasks/system.yml
index 9a5a1816..308e38f7 100644
--- a/evolinux-base/tasks/system.yml
+++ b/evolinux-base/tasks/system.yml
@@ -29,6 +29,22 @@
   command: /usr/sbin/locale-gen
   when: default_locales | changed
 
+- name: Setting default timezone
+  lineinfile:
+    dest: /etc/timezone
+    regexp: '^\w+/\w+$'
+    line: "{{ evolinux_timezone | mandatory }}"
+    insertbefore: BOF
+    create: yes
+  register: change_timezone
+
+- name: Reconfigure tzdata
+  command: dpkg-reconfigure --frontend noninteractive tzdata
+  when: change_timezone | changed
+
+# TODO : find a way to force the console-data configuration
+# non-interactively (like tzdata ↑)
+
 - name: Setting vim as default editor
   alternatives:
     name: editor