diff --git a/src/lib/format.ts b/src/lib/format.ts
index 055eb44..943d822 100644
--- a/src/lib/format.ts
+++ b/src/lib/format.ts
@@ -5,6 +5,20 @@ export function formatCurrency(amount: number | string | null | undefined) {
 
 export function formatDate(value: string | Date | null | undefined) {
   if (!value) return "—";
+  // Date-only strings ("YYYY-MM-DD") must be rendered in UTC, otherwise
+  // negative-offset timezones show the previous day.
+  if (typeof value === "string") {
+    const m = value.match(/^(\d{4})-(\d{2})-(\d{2})$/);
+    if (m) {
+      const d = new Date(Date.UTC(+m[1], +m[2] - 1, +m[3]));
+      return d.toLocaleDateString("en-US", {
+        year: "numeric",
+        month: "short",
+        day: "numeric",
+        timeZone: "UTC",
+      });
+    }
+  }
   const d = typeof value === "string" ? new Date(value) : value;
   return d.toLocaleDateString("en-US", { year: "numeric", month: "short", day: "numeric" });
 }