From 2bca0f99020e63a910cb0392a35e3f8853dba974 Mon Sep 17 00:00:00 2001
From: Michael Suchacz <203725896+ibetitsmike@users.noreply.github.com>
Date: Fri, 5 Dec 2025 16:48:30 +0000
Subject: [PATCH] =?UTF-8?q?=F0=9F=A4=96=20fix:=20use=20regional=20locale?=
 =?UTF-8?q?=20for=20build=20date=20display?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Replace hardcoded US date format (MM/DD/YYYY) with toLocaleDateString()
to respect the user's regional settings. The formatUSDate function now
uses formatLocalDate which automatically adapts to the user's locale.

_Generated with `mux`_
---
 src/browser/components/TitleBar.tsx | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/browser/components/TitleBar.tsx b/src/browser/components/TitleBar.tsx
index 5b829ccd67..b8259dafc8 100644
--- a/src/browser/components/TitleBar.tsx
+++ b/src/browser/components/TitleBar.tsx
@@ -34,12 +34,13 @@ function hasBuildInfo(value: unknown): value is VersionMetadata {
   return typeof candidate.buildTime === "string";
 }
 
-function formatUSDate(isoDate: string): string {
+function formatLocalDate(isoDate: string): string {
   const date = new Date(isoDate);
-  const month = String(date.getUTCMonth() + 1).padStart(2, "0");
-  const day = String(date.getUTCDate()).padStart(2, "0");
-  const year = date.getUTCFullYear();
-  return `${month}/${day}/${year}`;
+  return date.toLocaleDateString(undefined, {
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+  });
 }
 
 function formatExtendedTimestamp(isoDate: string): string {
@@ -61,7 +62,7 @@ function parseBuildInfo(version: unknown) {
     const gitDescribe = typeof git_describe === "string" ? git_describe : undefined;
 
     return {
-      buildDate: formatUSDate(buildTime),
+      buildDate: formatLocalDate(buildTime),
       extendedTimestamp: formatExtendedTimestamp(buildTime),
       gitDescribe,
     };