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How to Use the World Clock–Time Zones iPhone App

World Clock-Time Zones icon

Follow this user's guide for the World Clock–Time Zones iPhone app to find out the local time and relevant time zone information for any location around the world. Get the local times for your Favorite cities and save them for easy reuse.

How Do I Get the World Clock–Time Zones App?

You can download the World Clock–Time Zones app from the App Store or in iTunes.

App Store Logo

To download the app, simply tap the price button in the upper right-hand corner and navigate through the “Buy Now” options. When the download is complete, the World Clock–Time Zones app will appear on your home screen and is ready for you to use at any time.

Using the World Clock–Time Zones

Screenshot showing Favorites

Figure 1: Shows current cities added to "Favorites" list.

There are three icons located at the bottom of the screen (from left to right):

Add or Delete a City from Favorites

To add a city to your Favorites:

To delete a city from your Favorites:

To reorder the Favorites list, tap on the “Edit” button and drag the right end of the city row to move it up or down the list, and then select “Done”.

How to Use the World Clock feature

Find a city/location without adding it to your Favorites with the World Clock feature (See Figure 2). Customize the World Clock features to view time zone information while searching for a location by following these steps:

Screenshot showing City Info

Figure 3: City information page.

View City Information

Tap on the city row to view the current time and time zone information for the selected city (See Figure 3). Add the current city to your Favorites by highlighting the star located at the top right-hand corner of the screen. De-selecting the star will remove the current location from your Favorites.

Synchronize your clock for accuracy

If you tap on “More” at the bottom of your iPhone screen, then select “Accuracy”, you will be directed to a page that shows your current local time and a synchronization option (see Figure 5).

Our World Clock–Time Zones app synchronizes with an accurate time source – so you can trust timeanddate.com has the correct time, even if your iPhone’s clock is not synchronized to show the correct time.

Screenshot of Synchronization screen

Synchronize your clock for accuracy.

Tap on “Synchronize clock” to sync the clock within the app to timeanddate.com. It is important to note that when synchronizing your clock, it will only synchronize the clock used within the World Clock–Time Zones application. It does not synchronize the inbuilt clock on the iPhone.


Fill out our online support form if you have any questions, comments, or concerns regarding the World Clock-Time Zones app for iPhone.

You can also email any questions, bug reports, or suggestions to webmaster@timeanddate.com . Please mention “World Clock” in the subject line and give a detailed description of the problem so that we can improve the quality and performance of our apps.


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