Some lights are too abrupt when they jump from off to full brightness. Rhythm is built for the opposite pattern: lights can ride a day curve that is anchored to your home location, local sunrise, and local sunset, with warm low light at the edges of the day and brighter light when you want daytime energy.
Set the home location first
- Open Rhythm and make sure your home location is set. Use current location or search by city so Rhythm can calculate sunrise, sunset, solar noon, and solar midnight for your home.
- Connect your LightBox or server hub so the room rhythm can run even when your phone is asleep.
- Add the lights you want Rhythm to control through Hue, Home Assistant, or Matter. For compatible Matter lights, use the Rhythm app and LightHub to scan the Matter QR code or enter the setup code while the phone, LightHub, and light are on the same local network.
Shape the morning and evening curve
- Open the Day profile.
- Set a low warm floor for early morning and evening, then set the higher daytime brightness and color-temperature ceiling you want the room to reach.
- Preview different times of day if your plan includes the simulator, or check the room at morning, midday, and evening to make small adjustments.
Choose how Day and Sleep hand off
If you want the room to follow the sun rather than a fixed clock, open the transition settings and use the solar handoff options such as sunrise, sunset, dawn, or dusk where available. If you prefer a predictable pet, plant, or family routine, use the sleep schedule times instead and let the Day profile define the fade shape.
Use real dimmable lights, not just switched power
A smart plug can turn a lamp on and off, but it usually cannot create a true sunrise fade unless the lamp itself remembers and exposes brightness. For the smoothest result, use smart bulbs, lamps, or light strips that Rhythm can control for brightness and color temperature.