Youtube video setting play time position in link

Want your YouTube link to have specified play position
Try this
at the end of the YouTube video url just append the time (#t=1h17m33s), you want start from
say for example
for video
http://www.youtube.com/watch?v=9ei-rbULWoA

if you want this video to start from 1 hour 17 minutes and 33 seconds then the final link will be
http://www.youtube.com/watch?v=9ei-rbULWoA#t=1h17m33s

you can use only minutes or seconds any combination like
http://www.youtube.com/watch?v=9ei-rbULWoA#t=57m