Yahoo! Calendar is a Web

World Wide Web

The World Wide Web is a system of interlinked hypertext documents accessed via the Internet...

-based calendar

Calendaring software

Calendaring software is software that minimally provides users with an electronic version of a calendar. Additionally, the software may provide an appointment book, address book, and/or contact list. These tools are an extension of many of the features provided by time management software such as...

 service from Yahoo!

Yahoo!

Yahoo! Inc. is an American multinational internet corporation headquartered in Sunnyvale, California, United States. The company is perhaps best known for its web portal, search engine , Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Groups, Yahoo! Answers, advertising, online mapping ,...

. It can read calendar feeds and events syndicated from sites that make use of the published Yahoo! calendar programming interfaces. While users are not required to have a Yahoo! Mail account, they are required to have a free Yahoo! ID in order to use the software. It is one of the largest online calendar providers and serves millions of users.

Features

Yahoo! Calendar has the following features:

• 100 year calendar
• various alarm features which allow you to send messages to numerous sources including:
  • email
  • mobile devices
  • Yahoo! Messenger
    Yahoo! Messenger
    Yahoo! Messenger is an advertisement-supported instant messaging client and associated protocol provided by Yahoo!...
    
    
• the ability to sync
  Data synchronization
  Data synchronization is the process of establishing consistency among data from a source to a target data storage and vice versa and the continuous harmonization of the data over time. It is fundamental to a wide variety of applications, including file synchronization and mobile device...
  
   your calendar with those of Palm
  Palm (PDA)
  Palm handhelds were Personal Digital Assistants which ran the Palm OS. Palm devices have evolved from handhelds to smartphones which run Palm OS, WebOS, and Windows Mobile...
  
   devices and Microsoft Office Outlook and some SyncML
  SyncML
  SyncML is the former name for a platform-independent information synchronization standard. The project is currently referred to as Open Mobile Alliance Data Synchronization and Device Management...
  
   enabled cellphones
• sharing of schedules between users. The mechanism allows several different methods of sharing including publicly sharing your calendar, sharing your calendar with a specific Yahoo! Group
  Yahoo! Groups
  Yahoo! Groups is one of the world’s largest collections of online discussion boards. The term Groups refers to Internet communication which is a hybrid between an electronic mailing list and a threaded Internet forum, in other words, Group messages can be read and posted by e-mail or on the Group's...
  
  , and sharing your calendar with a particular Yahoo! user.
• automatically read, integrate, and republish public and personal events syndicated from Eventful
  Eventful
  Eventful is a web service which aims to help users search for, track, and share information about events. Eventful is a service of Eventful, Inc. from San Diego, California...
  
  , Upcoming, Evite
  Evite
  Evite is a social-planning website for creating, sending, and managing online invitations.Evite was launched in 1998. The website is a free, advertisement-supported service. It was acquired by conglomerate IAC/InterActiveCorp in 2001. Liberty Media acquired it in 2010.- Usage :An event organizer...
  
  , Bookwhen, and other sites.

Events are stored online, so in the case of a user's hard drive failure, no data is lost. Calendar sharing is also available.

The New Yahoo! Calendar

In October 2008 Yahoo! launched Yahoo! Calendar Beta to the public.

It featured a completely redesigned interface similar to the All-New Yahoo! Mail. It also includes support for open standards, support for subscriptions to any iCalendar based public calendar, Flickr integration, drag & drop functionality and Outlook auto-sync.

It was released as a stable version in November 2010.

See also

• Google Calendar
  Google Calendar
  Google Calendar is a free time-management web application offered by Google. It became available on April 13, 2006, and exited the beta stage in July 2009...
  
  
• 30 Boxes
  30 Boxes
  -Features:The website supports drag-and-drop capabilities, one-click editing, plain-language event adding, as well as unique features aimed towards social networkers. Calendars can contain feeds from Twitter, Blogger, MySpace, Facebook, WordPress, Vox, and Upcoming.org, which generates a social...
  
  
• Cozi Central
  Cozi Central
  Cozi Central is a free Software as a service Web 2.0-based web application targeted at families offered by Cozi. It includes a family calendar, shopping list management, a screen saver with integrated appointment reminders, and Cozi Messages, which allows family members to quickly exchange text...
  
  
• Eventful
  Eventful
  Eventful is a web service which aims to help users search for, track, and share information about events. Eventful is a service of Eventful, Inc. from San Diego, California...
  
  
• Evite
  Evite
  Evite is a social-planning website for creating, sending, and managing online invitations.Evite was launched in 1998. The website is a free, advertisement-supported service. It was acquired by conglomerate IAC/InterActiveCorp in 2001. Liberty Media acquired it in 2010.- Usage :An event organizer...
  
  
• iCalendar
  ICalendar
  iCalendar is a computer file format which allows Internet users to send meeting requests and tasks to other Internet users, via email, or sharing files with an extension of .ics...
  
  
• List of applications with iCalendar support