Offset Time Original
The time zone of Date/Time Original, e.g. +05:30. Without it, the time has no zone.
- EXIF tag ID
- 0x9011
- Group
- Date & time
- Example
- +05:30 · −07:00
- Editable in EXIF Viewer
- Yes
What iPhone writes
Written since iOS 13, which is why iPhone photos keep the right time across time zones.
What dedicated cameras write
Newer bodies write it; older ones don't, so a trip across zones needs a bulk time shift.
How to view Offset Time Original on iPhone
Open the photo in Photos, tap Share, then View EXIF (EXIF Viewer’s action extension). The field is listed under “Date & time”. Tap Edit to change it, or select several photos in the app to change them all at once. Or drop the photo into the free online EXIF viewer.
Related tags
- Date/Time Original — When the photo was taken, as local time on the camera clock. This is the date most apps show.
- GPS Date Stamp / GPS Time Stamp — The UTC date and time from the GPS receiver — an independent, time-zone-free timestamp.