I have been trying to find a good online calendar to keep my life organized (well, sort of).
Google might be thinking about online calendar as well. The subdomain calendar.google.com is active for several months now and it might come up any time I guess. Take a look at some discussions at Google Groups.
Yahoo! offers a good online calendar, but I don’t like the interface that much. So, finally it comes to the HipCal. It is a nice calendar service enabled by AJAX. Try the demo and you will like it. Although it is still in beta test, the interface is almost quite polished. And the hippo is nice