Clock is a

timekeeping Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to co ...

mobile app A mobile application or app is a computer program or software application designed to run on a mobile device such as a phone, tablet, or watch. Mobile applications often stand in contrast to desktop applications which are designed to run on d ...

available since the initial launch of the iPhone and

iPhone OS 1 iPhone OS 1, commonly referred to as iOS 1, is the first major release of iOS, Apple's mobile operating system. No official name was given on its initial release; Apple marketing literature simply stated that the iPhone runs a version of Apple' ...

in 2007, with a version later released for

iPads The iPad is a brand of iOS and iPadOS-based tablet computers that are developed by Apple Inc. The iPad was conceived before the related iPhone but the iPhone was developed and released first. Speculation about the development, operating s ...

with

iOS 6 iOS 6 is the sixth major release of the iOS mobile operating system developed by Apple Inc, being the successor to iOS 5. It was announced at the company's Worldwide Developers Conference on June 11, 2012, and was released on September 19, 201 ...

, and Macs with the release of

macOS Ventura macOS Ventura (version 13) is the nineteenth and current major release of macOS, Apple's desktop operating system for Mac computers. The successor to macOS Monterey, it was announced at WWDC 2022 on June 6, 2022, and launched on October 24, 2 ...

. The app consists of a world clock, alarm, stopwatch, and timer. The app icon shows the device's current time when viewed from the

home screen A home screen, homescreen, or start screen, is the main screen on a device or computer program. Home screens are not identical because users rearrange icons as they please, and home screens often differ across mobile operating systems. Almost ...

, making it one of the only iOS apps with a dynamic icon (the other being

Calendar A calendar is a system of organizing days. This is done by giving names to periods of time, typically days, weeks, months and years. A date is the designation of a single and specific day within such a system. A calendar is also a physi ...

Features

World Clock

The World Clock allows users to access the current time of different cities of their choosing from around the world. More locations can be added by tapping the plus icon at the top of the screen, or removed by swiping left on a location and clicking the delete button. On all versions except

iOS iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. It is the operating system that powers many of the company's mobile devices, including the iPhone; the term also includes ...

, the world clock will also display the sunrise and sunset time for each location, as well as a map which displays where it is currently night and day.

Alarms

Alarms allow users to create new alarms, turn existing alarms on or off, or delete them. Alarms will play a chime and vibration once completed, which the user can choose from their music or ringtone libraries, and can be set to repeat on particular days of the week. Users can also set a sleep schedule, which notifies users to wind down when their set bedtime is approaching and sets the device into sleep focus mode. It also creates a wake up alarm, which has a number of unique chimes available. This feature integrates with the

Health Health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity".World Health Organization. (2006)''Constitution of the World Health Organiza ...

application to track sleep data.

Stopwatch

The Stopwatch allows users to measure how long events take, and pause, reset, or use the stopwatch's lap feature. Green and red type indicate the best and worst laps. Since iOS 10, an analouge stopwatch face can accessed by swiping to the left. Additionally, the

watchOS watchOS is the operating system of the Apple Watch, developed by Apple Inc. It is based on iOS, the operating system used by the iPhone, and has many similar features. It was released on April 24, 2015, along with the Apple Watch, the only dev ...

version of stopwatch also includes graph and hybrid faces.

Timer

The user can set a timer to count down from a specific time. When the timer reaches zero, a chime will be sounded chosen from the user's ringtone library. On watchOS, there are a number of pre-set timer intervals available for faster access, and multiple timers can be set at one time. As of iOS 11, the timer can be set from 1 second up to 23 hours, 59 minutes, and 59 seconds.

References

{{IOS IOS IOS software IOS-based software made by Apple Inc.