Microsoft made available Windows Live Calendar, access & manageable from any web-enabled mobile phone. You can browse upcoming events and see when you're free so you can quickly add new events. You can also check your schedule by day, week, or month; get previews of event details; set reminders; and add charms.
"Now, whether you're on web, in Outlook, in Live Mail software, or on smart phone, you can manage shared calendar that you use to coordinate your family, see holidays and birthdays, manage your own personal calendar, and access public calendars from internet. Try out this cool calendar subscription from Mixin.com. It lets you access your Facebook events right from within Live Calendar by simply clicking here. (Note: The events may take a few hours to show in your calendar). And, if you've been bit by soccer (football) bug, try subscribing to World Cup calendar. You can keep track of entire World Cup schedule, and it looks great on your phone, too!," revealed Live team.
Supported phones and browsers: iPhone/iPod Touch with Safari 3.0+, Opera on Windows Mobile 6.1.4+, S 60/5th Gen+, Blackberry 5+, Opera, Palm, Android. Windows Live Calendar for mobile is slated to be released in Hebrew and Arabic in the next few months.
More Info: Windows Live Calendar