From 38b7ea0939860a7f3da769cc9d11d97f388a3238 Mon Sep 17 00:00:00 2001
From: Valerii Sidorenko <balepas@nebius.com>
Date: Thu, 19 Feb 2026 02:15:37 +0100
Subject: [PATCH] fix(dateTime): string parse fallbacks to native Date parser

---
 src/dateTime/dateTime.ts  | 3 ++-
 src/parser/parser.test.ts | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/dateTime/dateTime.ts b/src/dateTime/dateTime.ts
index 748372d..740b6e2 100644
--- a/src/dateTime/dateTime.ts
+++ b/src/dateTime/dateTime.ts
@@ -850,7 +850,8 @@ function getTimestamp(
     } else if (format === undefined) {
         const [dateObject, timezoneOrOffset] = parseDateString(input);
         if (Object.keys(dateObject).length === 0) {
-            return [NaN, NaN];
+            // fallback to native Date parse
+            return getTimestamp(new Date(input), timezone, locale, format, fixedOffset);
         }
         [ts] = getTimestampFromObject(
             dateObject,
diff --git a/src/parser/parser.test.ts b/src/parser/parser.test.ts
index e36bc04..817a898 100644
--- a/src/parser/parser.test.ts
+++ b/src/parser/parser.test.ts
@@ -34,6 +34,12 @@ describe('Parser', () => {
         expect(date).toEqual(TESTED_DATE_STRING);
     });
 
+    it('should return DateTime in case of using Date.toString() value', () => {
+        const nativeDate = new Date('2023-11-06T00:00:00.000Z');
+        const date = dateTimeParse(nativeDate.toString());
+        expect(date?.toISOString()).toEqual(nativeDate.toISOString());
+    });
+
     it('should return DateTime in case of using relative date string', () => {
         const date = dateTimeParse('now')?.toISOString();
         expect(date).toEqual(new Date().toISOString());