diff --git a/yt_dlp/__init__.py b/yt_dlp/__init__.py
index b52aa1e9e3..3145a6f1b6 100644
--- a/yt_dlp/__init__.py
+++ b/yt_dlp/__init__.py
@@ -331,7 +331,7 @@ def parse_timestamp(x):
             if re.match(r'[\d:]+', x):
                 return parse_duration(x)
 
-            return datetime_from_str(x, precision='second').timestamp()
+            return datetime_from_str(x, precision='second', use_utc=False).timestamp()
 
         chapters, ranges = [], []
         for regex in value or []: