Open video in VLC, jump to 01:43:04 (Ctrl+T, enter 01:43:04). Play subtitle around that mark.
ffmpeg -i input.srt -itsoffset 2.5 -i input.srt -map 1 -c copy shifted.srt (Change 2.5 to your needed seconds.) Do not rely only on 01:43:04 . Check beginning, middle, and end. Some releases have progressive desync (frames vs timecode mismatch). Use ffmpeg to re-wrap: keed84engsub convert014304 min
In Subtitle Edit: Synchronization → Adjust all times → enter delay (+/- in milliseconds). Example: If subtitle is 2 seconds early → +2000 . Open video in VLC, jump to 01:43:04 (Ctrl+T, enter 01:43:04)
