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Google Calendar

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"Gcal" redirects here. For other uses, see Gcal (disambiguation).
Google Calendar
Developer(s)Google
Initial releaseApril 13, 2006 (2006-04-13)
Stable release
Android2024.48.0 (Build 701770040) / 5 December 2024; 20 days ago (2024-12-05)[1][2]
Wear OS2024.48.0 (Build 701768914) / 10 December 2024; 15 days ago (2024-12-10)[1][3]
iOS24.46.2 / 25 November 2024; 30 days ago (2024-11-25)[4]
Written inJava[5]
Operating systemServer: Linux
Client: any Web browser
PlatformJava Virtual Machine
TypeElectronic calendar
Websitecalendar.google.com

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. Users are required to have a Google Account in order to use the software.

Features

Interface

The interface of Google Calendar, designed by Kevin Fox (who also designed Gmail and the second version of Google Reader[6]), is similar to desktop calendar applications such as Microsoft Outlook or iCal on Mac OS X. The Ajax-driven interface enables users to view, add, and drag-and-drop events from one date to another without reloading the page. It supports view modes such as weekly, monthly, and agenda. Users can "quick add" calendar events by typing standard English phrases, such as "Dinner with Michael 7pm tomorrow". Users can also set the number of days to show in their custom view mode.

Content access

Events are stored online, meaning that the calendar can be viewed from any location that has Internet access. In the case of a user experiencing a hard drive failure, it also means that no data is lost. The application can import Microsoft Outlook calendar files (.csv) and iCalendar files (.ics, the de facto open calendaring file format), although at this stage only when the fields are all in U.S. format.[citation needed] Multiple calendars can be added and shared, allowing various levels of permissions for the users. This enables collaboration and sharing of schedules between groups. General calendars available for importing into one's account include those containing national holidays of various countries. Users can also add "live" iCalendar URLs that update regularly.[7]

Sharing calendars

Google Calendar allows multiple calendars to be created and shown in the same view. Each can be shared, either read-only or with full edit control, and either with specified people or with everyone (public calendars). In February 2009, Google discontinued the option of searching for public calendars from the search field by removing the "Search Public Events" button. It also disabled its public calendar gallery,[8] citing maintenance and usability issues. The company suggests adding calendars via the "Interesting Calendars" feature, known calendar URLs, or via email requests to friends. Daily "To Do" tasks cannot currently be shared between users.

Device synchronization

Currently, Google Calendar can be synchronized with mobile devices (e.g., BlackBerry, Palm, iPhone, Pocket PC) or with PC applications (e.g., Microsoft Outlook) via third party software, and natively with Apple's iCal (workarounds required for iCal 3.x, full functionality with iCal 4.x). Google Calendar is natively supported on Android -based mobile phones such as the T-Mobile G1 and the Motorola CLIQ and on webOS-based mobile phones such as the Palm Pre and Palm Pixi. Event reminders can be sent via email, as well as via SMS to mobile phones in more than eighty countries and regions.

Google integration

Google Calendar is integrated with various other Google services:

  • Gmail, Google's webmail service. When an e-mail that contains trigger words (such as "meeting", or dates and times) arrives, an "add to calendar" button is automatically displayed alongside it.
  • iGoogle, the user-designed Google homepage, in which users can choose and organize content in the form of "gadgets". The calendar is shown as a module on your homepage. This "gadget" offers options to edit how the time is displayed, which day the week starts on, and a link to "Add Event".[9]
  • Google Desktop, Google's desktop search software for Windows or Mac OS X. The mini-calendar gadget allows you view your agenda without having to open your browser. You can place it on your desktop or leave it docked in the sidebar.[9]

SMS updating via GVENT codes

For supported mobile carriers in the United States, the GVENT feature of Google Calendar allows users to create new events and check calendar information via SMS.[10]

2009 introduction

On March 4, 2009, Google Calendar began offering offline support.[11] On May 13, 2009, Google Calendar began offering to-do lists.[12][13]

Compatibility

Because Google Calendar is a web-based application, it runs on virtually any operating system, provided that the OS has a browser which supports the required web technologies. Since it uses recent browser features, browser compatibility includes Microsoft Internet Explorer 6, 7, and 8; Mozilla Firefox 2.0+; Opera 9.5; Google Chrome; and Safari 2.0.3.

Google Calendar supports exporting calendar data through a permanent HTTP URL containing iCalendar data, either at a public or "private" (hard to guess) address. This bears resemblance to the Webcal "protocol". Public calendars were searchable until February 2009.[citation needed] The data can be integrated with, among many others, Novell Evolution,[14] and Windows Calendar in Windows Vista (using the subscribe feature). The web link for the location of the calendar can be found in Google Calendar Settings in the Private Address section.

Google Calendar also supports CalDAV using iCal 3.x.[15]

Consistency and reliability

As in other cloud computing applications, changes to Google Calendar are immediately visible to all users. This allows new features to be added without user action, but also makes it possible for new bugs to be rolled out to the entire user population, without users being able to refuse the update. On March 18, 2010, an update to add the Smart Rescheduler feature[16] caused problems such as automatic invitations to nonexistent users being generated for events that were edited in secondary calendars.[17] Despite negative user feedback, Google chose not to roll back the update, concentrating instead on providing a fix. According to user reports, the fix took effect five days later, on March 23, 2010.

Other criticisms

Many users of Google Calendar criticized the inability for time zones to be handled correctly in the application,[18][19][20][21] as well as Google's unwillingness to resolve the issue.[22] Until December 2010, there was no way to associate a time zone with the start/end times of a particular event. Because of this, users experienced problems when attempting to schedule events outside of their current time zone. Google implemented a fix to allow events to be associated with time zones in early December 2010.[23]

Google Calendar does not support "tentative" dates and times for events,[24] which may cause synchronization problems with Microsoft Outlook.

See also

References

  1. ^ a b "Google Calendar". Google Play. Retrieved 2024-12-11.
  2. ^ "Google Calendar 2024.48.0-701770040-release". APKMirror. 2024-12-05. Retrieved 2024-12-11.
  3. ^ "Google Calendar (Wear OS) 2024.48.0-701768914-release-wear". APKMirror. 2024-12-10. Retrieved 2024-12-11.
  4. ^ "Google Calendar: Get Organized". App Store. Retrieved 2024-12-11.
  5. ^ Neal Gafter explains how Google Calendar (written in Java) could use Closures Advanced Topics In Programming Languages: Closures For Java
  6. ^ Lenssen, Philipp. "Kevin Fox of Gmail & FriendFeed on User Experience Design - Google Blogoscoped". blogoscoped.com. Retrieved 2009-05-29.
  7. ^ http://jonwestfall.com/2009/10/add-facebook-friends-birthdays-to-your-calendar-automatically/
  8. ^ http://www.google.com/support/calendar/bin/answer.py?answer=139970
  9. ^ a b Google Calendar Gadget
  10. ^ Google Calendar Help Center
  11. ^ http://gmailblog.blogspot.com/2009/03/view-google-calendar-offline.html
  12. ^ http://gmailblog.blogspot.com/2009/05/tasks-now-in-calendar-too.html
  13. ^ http://mashable.com/2009/05/13/google-calendar-tasks/
  14. ^ Google Calendar in Evolution
  15. ^ Google Calendar, CalDAV support using iCal.
  16. ^ Smart rescheduler in Google Calendar Labs
  17. ^ Google Calendar help forum thread: Calendar prompting invites to guests when I don't want them.
  18. ^ Community-powered support for Google
  19. ^ Android Guys, Fix Google Calendar!
  20. ^ Washington Post, Google Calendar's time zone weakness
  21. ^ PC World: Is Google Calendar Timezone-Challenged?
  22. ^ Calendar Swap
  23. ^ Official Gmail Blog Event time zones in Google Calendar
  24. ^ http://www.google.com/support/forum/p/Calendar/thread?tid=25828b1da19e2545&hl=en
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