Slim-Skeleton: Fatal error: Uncaught exception 'ErrorException' with message 'date_default_timezone_get()

Trabla: Slim-Skeleton: Fatal error: Uncaught exception 'ErrorException' with message 'date_default_timezone_get()

Solving:

Set default time zone in your index.php file
Example:

// Set default timezone 
date_default_timezone_set('America/New_York');

//or 

date_default_timezone_set('UTC');