diff --git a/packages/zod/src/v4/classic/tests/date.test.ts b/packages/zod/src/v4/classic/tests/date.test.ts
index e63302da4..8fa873606 100644
--- a/packages/zod/src/v4/classic/tests/date.test.ts
+++ b/packages/zod/src/v4/classic/tests/date.test.ts
@@ -2,9 +2,9 @@ import { expect, test } from "vitest";
 
 import * as z from "zod/v4";
 
-const beforeBenchmarkDate = new Date(2022, 10, 4);
-const benchmarkDate = new Date(2022, 10, 5);
-const afterBenchmarkDate = new Date(2022, 10, 6);
+const beforeBenchmarkDate = new Date(Date.UTC(2022, 10, 4));
+const benchmarkDate = new Date(Date.UTC(2022, 10, 5));
+const afterBenchmarkDate = new Date(Date.UTC(2022, 10, 6));
 
 const minCheck = z.date().min(benchmarkDate);
 const maxCheck = z.date().max(benchmarkDate);
@@ -17,9 +17,40 @@ test("passing validations", () => {
   maxCheck.parse(beforeBenchmarkDate);
 });
 
-test("failing validations", () => {
-  expect(() => minCheck.parse(beforeBenchmarkDate)).toThrow();
-  expect(() => maxCheck.parse(afterBenchmarkDate)).toThrow();
+test("date min", () => {
+  const result = minCheck.safeParse(beforeBenchmarkDate);
+
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_small",
+        "inclusive": true,
+        "message": "Too small: expected date to be >=1667606400000",
+        "minimum": 1667606400000,
+        "origin": "date",
+        "path": [],
+      },
+    ]
+  `);
+});
+
+test("date max", () => {
+  const result = maxCheck.safeParse(afterBenchmarkDate);
+
+  expect(result.success).toEqual(false);
+  expect(result.error!.issues).toMatchInlineSnapshot(`
+    [
+      {
+        "code": "too_big",
+        "inclusive": true,
+        "maximum": 1667606400000,
+        "message": "Too big: expected date to be <=1667606400000",
+        "origin": "date",
+        "path": [],
+      },
+    ]
+  `);
 });
 
 test("min max getters", () => {
diff --git a/packages/zod/src/v4/core/checks.ts b/packages/zod/src/v4/core/checks.ts
index 8c5383b58..8c8bf6535 100644
--- a/packages/zod/src/v4/core/checks.ts
+++ b/packages/zod/src/v4/core/checks.ts
@@ -84,7 +84,7 @@ export const $ZodCheckLessThan: core.$constructor<$ZodCheckLessThan> = /*@__PURE
       payload.issues.push({
         origin,
         code: "too_big",
-        maximum: def.value as number,
+        maximum: typeof def.value === "object" ? def.value.getTime() : def.value,
         input: payload.value,
         inclusive: def.inclusive,
         inst,
@@ -135,7 +135,7 @@ export const $ZodCheckGreaterThan: core.$constructor<$ZodCheckGreaterThan> = /*@
       payload.issues.push({
         origin,
         code: "too_small",
-        minimum: def.value as number,
+        minimum: typeof def.value === "object" ? def.value.getTime() : def.value,
         input: payload.value,
         inclusive: def.inclusive,
         inst,