Yahoo has updated its online calendar. The new Yahoo Calendar Beta is an ajax-based with the drag-and-drop feature. It is currently in a closed beta to Yahoo Mail users in the U.S., UK, India, Taiwan, and Brazil.

The new features compared to Yahoo’s Web 1.0 calendar are:

1. Drag & drop interface.
2. Layering (view multiple calendars in different colors or subscribe to someone else’s calendar)
3. Zoom in when adding an event or appointment
4. Integration with Flickr
5. Can set email, IM or SMS reminders.
6. To-Do list.

You can sign up for Yahoo! Calendar Beta here. [via]