Blueprint to turn on a device after a random delay

on_delay.yaml

blueprint:
  name: Turn on after random time
  domain: automation
  author: Fredrik Erlandsson
  source_url: https://gist.githubusercontent.com/fredrike/a4b9fd6c139a766b548ed0b0bed75261/raw/69eff403bd25222c247dde6c2038b579054192da/on_delay.yaml
  input:
    light:
      name: Light
      selector:
        entity:
          domain:
            - light
            - switch
    time:
      name: Time
      selector:
        time:
    delay:
      name: Delay
      default: 0
      selector:
        number:
          min: 0
          max: 30
          unit_of_measurement: minutes
    dow:
      name: Weekday(s)
      default: ["0", "1", "2", "3", "4", "5", "6"]
      selector:
        select:
          multiple: true
          mode: list
          options:
            - label: Mon
              value: "1"
            - label: Tue
              value: "2"
            - label: Wed
              value: "3"
            - label: Thu
              value: "4"
            - label: Fri
              value: "5"
            - label: Sat
              value: "6"
            - label: Sun
              value: "0"
    before_sun_rise:
      name: Before sunrise
      description: Ensure that sun have not risen
      default: true
      selector:
        boolean:

mode: single
max_exceeded: silent

variables:
  dow: !input dow
  delay_minutes: !input delay
  before_sun_rise: !input before_sun_rise

trigger:
  - platform: time
    at: !input time

condition:
  - condition: template
    value_template: "{{ now().isoweekday()|string in dow }}"
  - condition: or
    conditions:
      - condition: template
        value_template: "{{ before_sun_rise }}"
      - condition: sun
        before: sunrise

action:
  - delay:
      minutes: "{{ range(delay_minutes) | random }}"
  - service: homeassistant.turn_on
    target: !input light