Help Using the Autorename App for non exif jpg

The Basics
Nextcloud Server version: AIO
Operating system and version: Unraid 7.2.3
Installation method: AIO Docker
Are you using CloudfIare, mod_security, or similar? No

Hi friends,

I could use some assistance from more knowledgeable users in regard to using the Autorename Nextcloud app.

My .rename.conf

^(?!\\d{4}-\\d{2}-\\d{2}\\s\\d{2}.\\d{2}.\\d{2}).\*.(jpg|JPG|jpeg)$:{photoDateTime|Y-m-d H.i.s}.$1

My files detail:
123.jpg with exif → works well.
456.jpg without exif. (screen capture pic) → doesn’t rename.
789.jpg with exif → works well.

My .confuse case is as follows:
Accouding your “photoDateTime” placeholders rule, it can works if the jpg file doesn’t have exif info. the app will base file modification time. but it looks like work on exif jpg only.

Actually it changes the name too. Just in different timing. so i close it.

Your observation is correct: both the {fileModifiedAt} placeholder and the {photoDateTime} placeholder (when no EXIF date is available) return the file modification time in UTC, not in the local timezone.