add the following at line 1 of your page:
<?php date_default_timezone_set('America/New_York'); ?>
in universal email, you need to specify a valid email address for your domain in the from address.
if you click the from button, you can bind the return address to the address form element in your form, that will allow the email to use a valid from address, but replying to the email will reply to the person that filled in the form.