This page has moved to Adobe Experience League and will be redirected soon. During installation, PHP date warning Updated November 02, 2022 18:59 During installation, PHP date warning This article provides a fix for a PHP date warning during installation. Details During the installation, the following message displays: PHP Warning: date(): It is not safe to rely on the system's timezone settings. [more] Solution Check the PHP time zone setting carefully. Refer to Installation Guide > PHP Settings in our developer documentation.