Consider Video on VLC is playing at: X: 00:02:30
Open Subtitles file and search and get the current sentence time from it.
Consider subtitles time is Y: 00:03:12
Calcuclate the Difference: X-Y (In Seconds)
((2*60)+30) - ((03*60)+12)
150- 192 = -42
Total Difference : X-Y = Z (-42)
Go to Tools
Track Synchronization
Synchronization
Set Subtitles Track Synchronization to Z (-42.000s)
![](https://i.ytimg.com/vi/wjc92hjzJbY/maxresdefault.jpg)