Use a calendar to manage an evening light schedule

evening_light_calendar.yaml

blueprint:
  name: Evening Light Calendar
  description: Use a calendar for managing a light schedule.  Lights are turned on according the calendar schedule, and only after dark.
  domain: automation
  input:
    calendar_sensor:
      name: Calendar Sensor
      selector:
        entity:
          domain:
          - calendar
          - binary_sensor
    target_light:
      name: Light
      selector:
        target:
          entity:
            domain: light

variables:
  cal_switch: !input calendar_sensor

trigger:
- platform: state
  entity_id: !input calendar_sensor
- platform: sun
  event: sunset

condition:
- after: sunset
  condition: sun

action:
  service: "{{ iif(is_state(cal_switch, 'on'), 'light.turn_on', 'light.turn_off') }}"
  target: !input target_light