Add day of week

src/sensors/mod.rs

@@ -35,7 +35,7 @@ pub fn sensors(tx: &Channel, config: &Config) {
         Box::new(DiskSensor::new("/")),
         Box::new(TempSensor::new(zone)),
         Box::new(TimeSensor::new("%H:%M", true)),
-        Box::new(TimeSensor::new("%Y-%m-%d %H:%M", false))
+        Box::new(TimeSensor::new("%a, %Y-%m-%d %H:%M", false))
     ];
 
     let bat = config.lookup("sensors.battery");