You can adjust the time zone that your Authorize.net account uses at any time. Follow these steps:

1. Sign in to the Merchant Interface.
2. Click Settings in the main left side menu.
3. Click Time Zone.
4. Select the correct time zone using the drop-down list.
5. Click Submit. A confirmation message indicates that your setting has been successfully applied.

All timestamps on your Authorize.net account will be adjusted automatically to match the new time zone setting.