add timeZone select

1 files changed, 10 insertions, 0 deletions

diff --git a/src/components/_sila/Mixins/LocalTimezoneLabelMixin.js b/src/components/_sila/Mixins/LocalTimezoneLabelMixin.js
index 7ef7636b..ffa54d59 100644
--- a/src/components/_sila/Mixins/LocalTimezoneLabelMixin.js
+++ b/src/components/_sila/Mixins/LocalTimezoneLabelMixin.js
@@ -7,6 +7,16 @@ const LocalTimezoneLabelMixin = {
       const pattern = ' O';
       return format(new Date(), pattern, { timezone }).replace('GMT', 'UTC');
     },
+    timeZones() {
+      const intlTimeZones = Intl.supportedValuesOf('timeZone');
+      const pattern = 'O';
+      return intlTimeZones.map((timeZone) => {
+        let utc = format(new Date(), pattern, {
+          timeZone,
+        }).replace('GMT', 'UTC');
+        return `(${utc}) ${timeZone}`;
+      });
+    },
   },
 };