http://www.macworld.com/article/2050349/adding-subscribed-calendars-to-your-ios-device.html
This article gives you the secret missing sauce to make your phone a powerful schedule management tool. There are still some important steps missing. Creating calendars and subscribing to other calendars that will be useful. How to effectively manage your online events. Alerts and Invitations Helping others to also use online calendars. It’s a great time to be alive. Don’t miss anything because you don’t manage an shared online calendar and subscribe to the calendars of the ones you love.