Calendar (application)

Calendar (Mac OS X version 10.7 iCal Calendar in the English version ) is a by Apple is sold with an operating system OS X program to manage events. It implements the iCalendar standard (RFC 5545, formerly 2445 ). Steve Jobs presented the program on 17 July 2002 at Macworld New York.

The program supports multiple calendars and each calendar appointments and tasks. Each calendar can be assigned a color, and each new calendar can be published to a WebDAV server. Other published calendar ( eg holidays, cinemas etc. ) can also be subscribed to. The simultaneous publishing and subscribing to a calendar - necessary such as group calendar - however, is not possible.

On dates may be indicated with an audible indication of a message, e-mail or the start of a program. Especially the " start" of any file / URL / calendar program makes a flexible cron replacement and allows timed, also repeated execution of programs. Similar to the anacron program is also executed when the computer was turned off until the "Alarm Time" and is turned on later.

Calendar is tightly integrated with OS X. How can people on dates to be loaded from the phone's operating system, and birthdays are displayed in a separate calendar. About the iCloud calendar can ( tasks and appointments ) are synchronized with mobile phones or organizers - in previous versions this was done via iSync. iTunes can sync calendars with an iPod or iPhone. It is also possible to use other people via mail to inform of an event that - is immediately transferred to iCal - if Apple Mail is utilized.

AppleScript tasks, appointments and calendar can be manipulated. With the combination of options can be so, for example, repetitive tasks implement: Per AppleScript new tasks are generated. This AppleScript is executed again from a weekly appointment calendar by itself.

Microsoft supports the iCal protocol with its office application Outlook 2007 also shows several calendars.