Adobe After Effects CS3 Time navigation keyboard shortcuts keys

Shortcut                                                                                Command
Optn+Shft+J	Go to specific time
Shft+Home or Shft+End	Go to beginning or end of work area
J or K	Go to previous or next visible item in timeruler (keyframe, marker, work area beginning or end)
Home or Cmnd+Optn+Left Arrow	Go to beginning of composition, layer, orfootage item
End or Cmnd+Optn+Right Arrow	Go to end of composition, layer, or footageitem
Page Down or Cmnd+Right Arrow	Go forward 1 frame
Shft+Page Down or Cmnd+Shft+Right Arrow	Go forward 10 frames
Page Up or Cmnd+Left Arrow	Go backward 1 frame
Shft+Page Up or Cmnd+Shft+Left Arrow	Go backward 10 frames
I	Go to layer In point
O	Go to layer Out point
Cmnd+Optn+Shft+Left Arrow	Go to previous In point or Out point
Cmnd+Optn+Shft+Right Arrow	Go to next In point or Out point
D	Scroll to current time in Timeline panel