In order to be able to control a Hue luminaire, a bridge (control centre) is required, which controls the individual luminaires via the network (a bridge can control up to 50 luminaires) ... can be found here:
https://www.galaxus.ch/de/s14/product/philips-hue-bridge-leuchtmittel-5628454.
The entire programming of the luminaire, such as the time control in your case, can then be easily set via an app.