Clock (app)

Clock is a app developed by Apple and included with iOS, iPadOS and macOS.

History
Clock was first included as a desk accessory with System 0.85, which shipped on a demo floppy with the original Macintosh 128K. It was renamed "Alarm Clock", which was included with subsequent versions of classic Mac OS until it was discontinued in favor of an expanded Date & Time control panel in System 7.5. A Clock application, which had originally been developed for NeXTSTEP, was included with Mac OS X 10.0 to 10.2.8. In Mac OS X 10.4 (Jaguar) to macOS 10.14.6 (Mojave), it appeared in the Dashboard as a World Clock widget.

The modern version of the Clock app was introduced with iPhone OS 1 for the first iPhone and iOS 6 for iPads. A corresponding Mac version was reintroduced in macOS 13 (Ventura). The app includes world clock, alarm, stopwatch, and timer functions. A Bedtime feature was added in iOS 10. The app icon shows the user the current time, making it one of the only iOS / iPadOS apps with a dynamic icon (the other being Calendar). The icon of the macOS version also behaves in this manner when installed in the Dock or Launcher.

World Clock
The World Clock section allows the user to access the temperature, time, and pressure of major cities of their choice. The user can add new cities by tapping a plus icon at the top of the screen and typing in the name of the city the user wants to add. The user can also remove cities by swiping left and clicking the delete button.

Alarms
The alarms section allows the user to view all of their alarms on in a week view, create new alarms, and turn off and on existing alarms.

Stopwatch
The stopwatch section allows the user the ability to time events and see how long they take. The app also allows the user to pause, reset, or use the stopwatch's lap feature. Since iOS 10, a different stopwatch face can accessed by swiping to the left.

Timer
The timer section allows the user to set a timer to count down to a specific time. When the timer reaches zero, an alarm will be sounded.

Bedtime
In iOS 10 and later versions, there is a Bedtime feature which allows the user to get better sleep. This is done by determining when the user would like to wake up, how many days the alarm should go off, how many hours of sleep the user would like, and whether the user would want a bedtime notification. This feature also integrates with the Health app to track sleep data. With the release of iOS 14 and iPadOS 14, this feature was incorporated into the Alarms tab on iPhones and removed from iPads.

Settings
Date and time settings can be adjusted in.