diff --git a/conf/os_mapping/os_mapping.conf b/conf/os_mapping/os_mapping.conf
index 7d016b46..d3cc47cf 100644
--- a/conf/os_mapping/os_mapping.conf
+++ b/conf/os_mapping/os_mapping.conf
@@ -57,17 +57,32 @@ OS_CONFIG_MAPPING = {
                 "timezone": {
                     "display_name": "Timezone",
                     "order": 2,
-                    "default_value": "Los Angeles",
+                    "default_value": "America/Los_Angeles",
                     "mapped_key": [
                         "name", "is_required", "display_type"
                     ],
                     "options": [{
                         "name": "Los Angeles",
-                        "value": "Los Angeles"
+                        "value": "America/Los_Angeles"
                     },{
                         "name": "Chicago",
-                        "value": "Chicago"
-                    }],
+                        "value": "America/Chicago"
+                    },{
+                        "name": "Hong_Kong",
+                        "value": "Asia/Hong Kong"
+                    },{
+                        "name": "Shanghai",
+                        "value": "Asia/Shanghai"
+                    },{
+                        "name": "London",
+                        "value": "Europe/London"
+                    },{
+                        "name": "Paris",
+                        "value": "Europe/Paris"
+                    },{
+                        "name": "New York",
+                        "value": "America/New_York"
+                    },],
                 },
                 "http_proxy": {
                     "placeholder": "HTTP Proxy",