date_default_timezone_set() function is used to sets the default timezone used by all date or time functions in core PHP, CodeIgniter etc.
date_default_timezone_set();
date_default_timezone_set('Asia/Kolkata');
# Option-1:
In case of CodeIgniter, we can set the default timezone in the
application/config.php file
In case of CodeIgniter, we can set the default timezone in the
application/config.php file
<?php
defined('BASEPATH') OR exit('No direct script access allowed');
date_default_timezone_set('Asia/Kolkata');
# Option-2:
Place the code in the main index.php of Codeigniter folder
date_default_timezone_set('Asia/Kolkata');