From 7b0852c2ad2a451f9e6d1ca4a099745943924437 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 20 Nov 2023 18:37:09 +0530
Subject: [PATCH] ...

---
 src/calibre/utils/date.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/calibre/utils/date.py b/src/calibre/utils/date.py
index f19631be23..f77cd4e677 100644
--- a/src/calibre/utils/date.py
+++ b/src/calibre/utils/date.py
@@ -196,6 +196,8 @@ def qt_from_dt(d: datetime, as_utc=False, assume_utc=False):
         ans = QDateTime.fromMSecsSinceEpoch(int(d.timestamp() * 1000), QTimeZone.utc())
     else:
         d = d.astimezone(local_tz)
+        # not setting a time zone means this QDateTime has timeSpec() ==
+        # LocalTime which is what we want for display/editing.
         ans = QDateTime(QDate(d.year, d.month, d.day), QTime(d.hour, d.minute, d.second, int(d.microsecond / 1000)))
     return ans