Add train service boxes... not yet expanding!

src/lib/utils/time.ts

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+/**
+ * Converts ISO/JSON time to UK-formatted HH:MM string.
+ * Ensures Europe/London timezone irrespective of browser timezone.
+ */
+export function formatUkTime(dateStr: string | Date | undefined): string {
+    if (!dateStr) return '--:--';
+    const date = typeof dateStr === 'string' ? new Date(dateStr): dateStr;
+
+    if (isNaN(date.getTime())) return '--:--';
+
+    return date.toLocaleTimeString('en-GB', {
+        hour: '2-digit',
+        minute: '2-digit',
+        hour12: false,
+        timeZone: 'Europe/London',
+    });
+}