I used to control my lights with Philips Hue automations but have now moved those automations to Home Assistant to migrate away from Philips ecosystem and to make the automations to work when I add non-Philips light into the system.

I want my bedroom and kitchen lights to turn on in the morning

alias: Wake up lights
description: ""
triggers:
  - trigger: time
    at: "09:00:00"
conditions: []
actions:
  - action: light.turn_on
    metadata: {}
    data:
      brightness_pct: 100
    target:
      area_id:
        - bedroom
        - kitchen
mode: single

and turn off in the night

alias: Go to sleep
description: ""
triggers:
  - trigger: time
    at: "22:00:00"
conditions: []
actions:
  - action: light.turn_off
    metadata: {}
    data: {}
    target:
      area_id:
        - bedroom
        - kitchen
mode: single