diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index f18514096f..96ecf739ed 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -4288,6 +4288,7 @@ function page_footer($run_cron = true)
 	if (!defined('IN_CRON') && $run_cron && !$config['board_disable'])
 	{
 		$call_cron = true;
+		$time_now = (!empty($user->time_now) && is_int($user->time_now)) ? $user->time_now : time();
 
 		// Any old lock present?
 		if (!empty($config['cron_lock']))
@@ -4295,7 +4296,7 @@ function page_footer($run_cron = true)
 			$cron_time = explode(' ', $config['cron_lock']);
 
 			// If 1 hour lock is present we do not call cron.php
-			if ($cron_time[0] + 3600 >= time())
+			if ($cron_time[0] + 3600 >= $time_now)
 			{
 				$call_cron = false;
 			}
@@ -4307,31 +4308,31 @@ function page_footer($run_cron = true)
 	{
 		$cron_type = '';
 
-		if (time() - $config['queue_interval'] > $config['last_queue_run'] && !defined('IN_ADMIN') && file_exists($phpbb_root_path . 'cache/queue.' . $phpEx))
+		if ($time_now - $config['queue_interval'] > $config['last_queue_run'] && !defined('IN_ADMIN') && file_exists($phpbb_root_path . 'cache/queue.' . $phpEx))
 		{
 			// Process email queue
 			$cron_type = 'queue';
 		}
-		else if (method_exists($cache, 'tidy') && time() - $config['cache_gc'] > $config['cache_last_gc'])
+		else if (method_exists($cache, 'tidy') && $time_now - $config['cache_gc'] > $config['cache_last_gc'])
 		{
 			// Tidy the cache
 			$cron_type = 'tidy_cache';
 		}
-		else if ($config['warnings_expire_days'] && (time() - $config['warnings_gc'] > $config['warnings_last_gc']))
+		else if ($config['warnings_expire_days'] && ($time_now - $config['warnings_gc'] > $config['warnings_last_gc']))
 		{
 			$cron_type = 'tidy_warnings';
 		}
-		else if (time() - $config['database_gc'] > $config['database_last_gc'])
+		else if ($time_now - $config['database_gc'] > $config['database_last_gc'])
 		{
 			// Tidy the database
 			$cron_type = 'tidy_database';
 		}
-		else if (time() - $config['search_gc'] > $config['search_last_gc'])
+		else if ($time_now - $config['search_gc'] > $config['search_last_gc'])
 		{
 			// Tidy the search
 			$cron_type = 'tidy_search';
 		}
-		else if (time() - $config['session_gc'] > $config['session_last_gc'])
+		else if ($time_now - $config['session_gc'] > $config['session_last_gc'])
 		{
 			$cron_type = 'tidy_sessions';
 		}