No events come over

I just installed this and the calendar looks nice but none of the events on my google calendar are showing up. Does it a take a bit of time after hitting sync?

This is the calendar that should pull in. Events start in April/May

https://calendar.google.com/calendar/embed?src=rchardhats%40gmail.com&ctz=America%2FDenver

The page I need help with: [log in to see the link]