How to Turn On Week Numbers in the iPhone Calendar

Many tasks that you need to complete in your work and personal life may require a certain number of weeks. However, due to the nature of months not including a number of days that is easily divisible by seven, it can be difficult to determine exactly when a number of weeks has passed. One helpful way to keep track of this information is by using numbers to identify particular weeks.

Week numbers are not visible on the iPhone calendar by default, but it is an option that you can enable. Our guide below will show you where to find this option so that you can turn it on and start viewing week numbers to the left of months on your calendar.


Enabling Week Numbers in the Calendar on an iPhone 6

The steps in this article were written using an iPhone 6 Plus, in iOS 8.4. These same steps will work for other iPhone models that are using the iOS 8 operating system or higher.

Note that the week numbers are shown to the left of the week when you are in the monthly view. The week numbers are not shown in the daily or yearly calendar view. You can check out the image below to see what it will look like in your calendar when you have enabled week numbers.

week numbers enabled



    • Step 1: Tap the Settings icon.

open the settings menu



    • Step 2: Scroll down and select the Mail, Contacts, Calendars option.

select the mail, contacts, calendars option



  • Step 3: Scroll down to the Calendars section of the menu, then tap the button to the right of Week Numbers. The option is turned on when there is green shading around the button. This option is turned on in the image below.

turn on week numbers



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