Here's how to sync your Player Calendar to your Google Calendar and Apple Calendar:
Subscribing with Google Calendar
Go to the My Calendar page
Click Subscribe and copy the calendar link
In Google Calendar, go to Other Calendars and click "+"
Click From URL, paste the URL, and click Add Calendar
Subscribing with Apple Calendar
From a Mac
Follow Apple's instructions here.
From an iPhone/iPad
Go to the My Calendar page
Click Subscribe and copy the calendar link
In your Calendar app, click Calendars → Add Calendar
Paste the link into Subscription URL and click Subscribe
Why is my Player Calendar not showing up?
Each calendar service has its own refresh rate. Google Calendar may take up to 24 hours for changes to appear.