This has been fixed!
You can go to this link: https://www.google.com/calendar/iphoneselect
Anyway, I know some people are using an iPad to coordinate their wedding and it has a beautiful calendar, which has just been a big pain/disappointment for those of us who have more than one calendar.
Now back to your regular scheduled wedding plans already in progress.
Keywords: iPad Google calendar sync issue, how to add multiple calendars to your iPad Calendar function, i Pad Googlecalendar, wedding planning