URL syntax for Youtube video in fullscreen and start at time index
<p>I am able to modify a standard youtube link:</p>

<p><a href="https://www.youtube.com/watch?v=R0tHEJl_Y8E" rel="noreferrer">https://www.youtube.com/watch?v=R0tHEJl_Y8E</a></p>

<p>to play in fullscreen mode:</p>

<p><a href="https://www.youtube.com/v/R0tHEJl_Y8E" rel="noreferrer">https://www.youtube.com/v/R0tHEJl_Y8E</a></p>

<p>I would like to augment the fullscreen URL so that it starts at time index.  I looked at other <a href="http://www.labnol.org/internet/linking-to-a-specific-time-of-youtube-videos/5101/" rel="noreferrer">examples</a> and unsuccessfully tried:</p>

<p><a href="https://www.youtube.com/v/R0tHEJl_Y8E&amp;/#t=68s" rel="noreferrer">https://www.youtube.com/v/R0tHEJl_Y8E&amp;/#t=68s</a></p>

<p>Suggestions are appreciated: thank you</p>