Righto. Calender update.
After leaving it for a bit, I've found that Google Calendar does indeed import the Guild Calendar.
So, rather than duplicate the steps, Blizz have provided instructions on the armoury web site for calendars.
So that's that sorted.
Two Wrongs don't make a Right.
But Three Lefts do...
Dum spiro spero - While I breathe, I hope.
Originally Posted by Bashiok
And when you see them you'll be all like :O and we'll be all like
and then people on the forums will still be all like（╯°□°）╯︵ ┻━┻(Link)