date.php

<?php

$EmbargoDateField = new DatetimeField('EmbargoDate', 'Embargo Date (this will change Status to Published)');
$EmbargoDateField->getDateField()->setConfig('showcalendar', 1);
$EmbargoDateField->getTimeField()->setConfig('timeformat', 'H:mm');
// Works

$ExpiryDateField = new DatetimeField('ExpiryDate', 'Expiry Date (this will change Status to Draft)');
$ExpiryDateField->getDateField()->setConfig('showcalendar', 1);
$ExpiryDateField->getTimeField()->setConfig('timeformat', 'H:mm');
// Works

$publicDate = ($this->PublicDate) ? $this->PublicDate : array('date' => date('d/m/Y', strtotime('+1 weeks')), 'time' => date('H:i'));

$PublicDateField = new DatetimeField('PublicDateFake', 'Become public access', $publicDate);
$PublicDateField->getDateField()->setConfig('showcalendar', 1);
$PublicDateField->getTimeField()->setConfig('timeformat', 'H:mm');
// DOESN'T WORK