diff --git a/src/shared/utils/datetime/index.ts b/src/shared/utils/datetime/index.ts
index f5ed3cde..b61e6d43 100644
--- a/src/shared/utils/datetime/index.ts
+++ b/src/shared/utils/datetime/index.ts
@@ -95,9 +95,11 @@ export function formatUtcOffset(iso: string): string {
   const m = ISO_OFFSET_RE.exec(iso);
   const off = m?.[6];
   if (!off) return "";
-  if (off === "Z") return "UTC+00:00";
+  // Angular's captioned-time-group renders 'UTC {{ utc }}' — keep the
+  // non-breaking space so '15:30 UTC +03:00' reads the same across pages.
+  if (off === "Z") return "UTC\u00A0+00:00";
   const normalized = off.includes(":") ? off : `${off.slice(0, 3)}:${off.slice(3)}`;
-  return `UTC${normalized}`;
+  return `UTC\u00A0${normalized}`;
 }
 
 /**