Have you ever opened up your server log and seen an error like this: date(): It is not safe to rely on the system’s timezone settings? Or maybe the script that you’re attempting to execute won’t work because of this error. In this quick guide we’ll show you how to make the necessary changes to the php.ini file in order to resolve these errors.
First we need to find out what time zone your in. The complete list of supported php time zones can be located by clicking here.
For those of us in the United States, here’s a quick reference guide:
Eastern ........... America/New_York Central ........... America/Chicago Mountain .......... America/Denver Mountain no DST ... America/Phoenix Pacific ........... America/Los_Angeles Alaska ............ America/Anchorage Hawaii ............ America/Adak Hawaii no DST ..... Pacific/Honolulu
Once you know what time zone you’re in you’ll need to locate your php.ini file. Do so by opening shell to your server and executing the following command:
find / -name php.ini
You should find that it’s located similar to /etc/php.ini (for the entire server) or /var/www/vhosts/system/domain.tld/etc/php.ini (Single Domain – Plesk).
Choose the appropriate php.ini file depending on whether or not you want the change applied globally to the entire server or just the domain.
Once you know where you want to place it execute the following command and replace the php.ini with the one of your choice.
Now push ctrl-w to search in nano. Search for the word “timezone”. It should bring you to a location similar the the below:
; Defines the default timezone used by the date functions ; http://www.php.net/manual/en/datetime.configuration.php#ini.date.timezone ; date.timezone =
We need to remove the trailing semi-colon from the date.timezone field and place the appropriate time zone after the equals sign. The revised version should look like:
; Defines the default timezone used by the date functions ; http://www.php.net/manual/en/datetime.configuration.php#ini.date.timezone date.timezone = America/Chicago
If you decided to apply this just to the domain you might not be able to find the timezone setting in the domain php.ini. In order to add this variable you can simply scroll to the bottom of the file and add:
date.timezone = America/Chicago
You can also log into your Plesk control panel and add the above directive to the php.ini settings under the additional directives.
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