e49dd2b8_cuts_CC_CS6_CS5_Creative_Cloud__Result
[Windows] J or K [Mac OS] J or K [Result] 
Go to previous or next visible item in time ruler (keyframe, layer marker, work area beginning or end) Note: Also goes to beginning, end, or base frame of Roto Brush span if viewing Roto Brush in Layer panel.
After Effects Keyboard Shortcuts CC CS6 CS5 Creative Cloud
Result