Google Calendar has launched some new features including display of upcoming weather, phases of the moon, and even a heads up when a new Google Doodle appears on Google.com

-Google Calendar now available in 17 new languages
-To get the weather forecast calendar, sign in to Google Calendar and click Settings to update your weather preferences.
-To add the Google doodles calendar or the moon phases calendar, click the plus symbol (+) next to “Other Calendars” on the left side of your screen. Select the “Browse Calendars” tab and then look in the “Fun Calendars” area. When you find the calendar you want, just click the “Add Calendar” button
-Now you can add a Google Calendar module to your Google Personlized Homepage so your calendar is always at your fingertips.
-Publish your calendar and share it with the world
-Access your calendar from your mobile phone(US Only)
-Google Calendar gadget for Desktop Sidebar