Sunrise Calendar is a new app that is compatible only with Google Calendar. Sunrise Calendar offers a redesigned calendar experience that allows you to connect with Facebook events and birthdays, view the faces of those you are meeting with through LinkedIn, and much more.

App Store Description:

Features:
☆ 100% free calendar app with a gorgeous design.
☆ Compatible only with Google Calendar for now.
☆ A completely redesigned calendar experience for your iPhone.
☆ Synchronization that just works, in real-time.
☆ Quick Add Event just by typing “Lunch tomorrow at 9pm” (long-press on the +).
☆ Reminders.
☆ Timezone Support. No more headache when travelling!
☆ Weather forecast based on your location.
☆ Smart icons.
☆ Tag location to events.
☆ Use Google Maps for Directions.
☆ Connect multiple Google Calendars.

via: The Verge