[Xbox] Disable the auto-update of Daylight Saving Time
Each time you connect to Xbox live the DST settings of your Xbox 360 are automatically updated. To disable this feature:
- From the home menu go to Settings
- Select "System" and press A to validate.
- Go to Console Settings > Clock > Daylight Saving.
- Select "Off" and validate your settings using the A button.
- Press B to go back to the home menu.