diff --git a/test/vitest/setup-file.ts b/test/vitest/setup-file.ts
index cb651330..c424f0db 100644
--- a/test/vitest/setup-file.ts
+++ b/test/vitest/setup-file.ts
@@ -1,2 +1,11 @@
 // This file will be run before each test file
 import "fake-indexeddb/auto"
+
+const { Date } = self
+;(self as unknown as never).Date = class extends Date {
+  constructor(value: string | number | Date) {
+    if (typeof value === "string") value += " GMT+0"
+
+    super(value)
+  }
+}