From 3c72b960429bf657376e2a95fe6b0a410c1ba0dd Mon Sep 17 00:00:00 2001
From: lucas_nz <606314+lucasnz@users.noreply.github.com>
Date: Mon, 24 Apr 2023 00:42:15 +1200
Subject: [PATCH] Use browser timezone if not specified in config (#6205)

---
 web/src/utils/dateUtil.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/src/utils/dateUtil.ts b/web/src/utils/dateUtil.ts
index e5630d345..d991910c6 100644
--- a/web/src/utils/dateUtil.ts
+++ b/web/src/utils/dateUtil.ts
@@ -56,7 +56,7 @@ export const formatUnixTimestampToDateTime = (unixTimestamp: number, config: Dat
 
     // use strftime_fmt if defined in config file
     if (strftime_fmt) {
-      const strftime_locale = strftime.timezone(getUTCOffset(date, timezone)).localizeByIdentifier(locale);
+      const strftime_locale = strftime.timezone(getUTCOffset(date, timezone || Intl.DateTimeFormat().resolvedOptions().timeZone)).localizeByIdentifier(locale);
       return strftime_locale(strftime_fmt, date);
     }