If you have an iPhone, there are a few ways to change the air sync settings. This will allow your device to keep track of time and date in different countries.
- Open the Settings app and scroll down to Air Sync.
- Toggle on the “Use my location” checkbox.
- Scroll down to the bottom and toggle on “Use Automatic Time Zone.”
- Scroll back up and make sure that “Use Automatic Daylight Saving Time” is checked as well.