catch timezone error if browser do not have

src/util-frontend.js

@@ -362,15 +362,17 @@ const aryIannaTimeZones = [
     'Pacific/Efate',
     'Pacific/Wallis',
     'Pacific/Apia',
-    'Africa/Johannesburg'
+    'Africa/Johannesburg',
 ];
 
 
 export function timezoneList() {
+
     let result = [];
 
     for (let timezone of aryIannaTimeZones) {
 
+        try {
             let display = dayjs().tz(timezone).format("Z");
 
             result.push({
@@ -378,6 +380,11 @@ export function timezoneList() {
                 value: timezone,
                 time: getTimezoneOffset(timezone),
             })
+        } catch (e) {
+            console.log(e.message);
+            console.log("Skip this timezone")
+        }
+
     }
 
     result.sort((a, b) => {