From f285678fdfeb4b41c1770e30045680e184a0ed21 Mon Sep 17 00:00:00 2001
From: MSP <mario@silvapereira.com>
Date: Mon, 7 Oct 2024 19:37:11 +0100
Subject: [PATCH] Proposed fix for #1730

---
 osxphotos/exif_datetime_updater.py | 2 +-
 osxphotos/exifutils.py             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/osxphotos/exif_datetime_updater.py b/osxphotos/exif_datetime_updater.py
index 0671ff248..949c46cd0 100644
--- a/osxphotos/exif_datetime_updater.py
+++ b/osxphotos/exif_datetime_updater.py
@@ -178,7 +178,7 @@ def update_photos_from_exif(
             )
             return None
 
-        if dtinfo.offset_seconds:
+        if dtinfo.offset_seconds is not None:
             # update timezone then update date/time
             timezone = Timezone(dtinfo.offset_seconds)
             tzupdater = PhotoTimeZoneUpdater(
diff --git a/osxphotos/exifutils.py b/osxphotos/exifutils.py
index c1bd0e7f6..c579c4539 100644
--- a/osxphotos/exifutils.py
+++ b/osxphotos/exifutils.py
@@ -97,7 +97,7 @@ def get_exif_date_time_offset(
 
     # try to get offset from EXIF:OffsetTimeOriginal
     offset = exif.get("EXIF:OffsetTimeOriginal") or exif.get("OffsetTimeOriginal")
-    if dt and not offset:
+    if dt and offset is None:
         # see if offset set in the dt string
         for pattern in (
             r"\d{4}:\d{2}:\d{2}\s\d{2}:\d{2}:\d{2}([+-]\d{2}:\d{2})",
@@ -122,7 +122,7 @@ def get_exif_date_time_offset(
     offset_seconds = exif_offset_to_seconds(offset) if offset else None
 
     if dt:
-        if offset:
+        if offset is not None:
             # drop offset from dt string and add it back on in datetime %z format
             dt = re.sub(r"[+-]\d{2}:\d{2}$", "", dt)
             dt = re.sub(r"\.\d+$", "", dt)