How to programmatically set iOS device time? [duplicate]

Answer 1

This is not possible. You can only do it manually in the Settings app of your iDevice or switch it to be set automatically.

Answer 2

you can`t . please read this:

iOS - How to set the date and time programatically

You can't set the date and/or time on iPhone/iPad programmatically. Those APIs are considered protected by Apple. In other words if you were to use those APIs and submit an app using them it would be rejected.

if you don`t care to be rejected ,try this:

Changing iPhone's date and time