How to Push a Calendar From an iPhone to MobileMe
- 1). Tap the "Settings" icon on the Home screen of your iPhone. The Settings menu opens.
- 2). Select "Mail, Contacts, Calendars." A new page loads.
- 3). Select the MobileMe account from the "Accounts" section of the page. A new screen appears.
- 4). Slide the "Calendar" switch to the "On" position.
Source...