ISBN: | 978-5-5113-3134-8 |
High Quality Content by WIKIPEDIA articles! Yahoo! Calendar is a Web-based calendar service from Yahoo!. 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.