Define a maintenance window

static/defaults.config.php

@@ -300,6 +300,16 @@ return [
 		// Sets the logging adapter of Friendica globally (monolog, syslog, stream)
 		'logger_config' => 'stream',
 
+		// maintenance_start (String)
+		// Start of the window for the daily maintenance cron call.
+		// The system timezone is used when no timezone is defined here.
+		'maintenance_start' => '01:00 +00:00',
+
+		// maintenance_end (String)
+		// End of the window for the daily maintenance cron call
+		// The system timezone is used when no timezone is defined here.
+		'maintenance_end' => '03:00 +00:00',
+
 		// max_batch_queue (Integer)
 		// Maximum number of batched queue items for a single contact before subsequent messages are discarded.
 		'max_batch_queue' => 1000,