--- a/src/eric7/WebBrowser/Bookmarks/BookmarksImporters/FirefoxImporter.py	Wed Nov 09 15:18:07 2022 +0100
+++ b/src/eric7/WebBrowser/Bookmarks/BookmarksImporters/FirefoxImporter.py	Fri Nov 11 15:30:47 2022 +0100
@@ -187,7 +187,7 @@
             importRootNode.title = self.tr("Mozilla Firefox Import")
         else:
             importRootNode.title = self.tr("Imported {0}").format(
-                QDate.currentDate().toString(Qt.DateFormat.SystemLocaleShortDate)
+                QDate.currentDate().toString(Qt.DateFormat.ISODate)
             )
         return importRootNode