From 5921a10d2e2367b16798b838372060b761fbe8d1 Mon Sep 17 00:00:00 2001
From: Marcel <marcel@familienarchiv>
Date: Mon, 16 Mar 2026 11:06:41 +0100
Subject: [PATCH] fix: format document date with Intl API (20. Dezember 2026)

Use Intl.DateTimeFormat with de-DE locale to show full German month
name. Appending T12:00:00 to the ISO string avoids UTC-midnight
timezone shifts misrendering the day.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 frontend/src/routes/documents/[id]/+page.svelte | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/src/routes/documents/[id]/+page.svelte b/frontend/src/routes/documents/[id]/+page.svelte
index a9c32d22..b91bb794 100644
--- a/frontend/src/routes/documents/[id]/+page.svelte
+++ b/frontend/src/routes/documents/[id]/+page.svelte
@@ -151,7 +151,7 @@
 							</span>
 							<div>
 								<span class="block font-serif text-lg text-brand-navy">
-									{doc.documentDate ? doc.documentDate.split('-').reverse().join('.') : '—'}
+									{doc.documentDate ? new Intl.DateTimeFormat('de-DE', { day: 'numeric', month: 'long', year: 'numeric' }).format(new Date(doc.documentDate + 'T12:00:00')) : '—'}
 								</span>
 								<span class="text-xs font-sans text-gray-500">Dokumentendatum</span>
 							</div>