Open the video
Check the total duration
Use the progress bar to jump to 19:34
Drag the playhead to 19 minutes 34 seconds
Click or tap the timeline at 19:34
Use the seek controls if available
Enter 19:34 in the timestamp field if the player has one
Play from that point
If needed, change playback speed to reach it faster
If the video is shorter than 19:34, it cannot be viewed at that time point