Home Assistant - Notify when time to leave for work

binary_sensors.yaml, templates.yaml, automations.yaml

  
  # binary_sensors.yaml
  #
  # Work day
  #
  - platform: workday
    country: AU
    workdays: [mon,tue,wed,thu,fri]
    
  # templates.yaml
  #
  # Leave for work
  #
  - trigger:
    - platform: time_pattern
      minutes: "/1"
      # the /1 signifies to refresh every minute. 
    - platform: homeassistant
      event: start
    sensors:
      leave_for_work:
        friendly_name: "Leave for work"
        icon_template: "mdi:clock"
        # time to leave value is decimal, so 8.5 = 8:30, 9.25 = 9:15, etc
        value_template: >-
          {% set t = strptime(states.sensor.time.state,'%H:%M') %}
          {% if (( t.hour + (t.minute/60)) > (8.5 - states.sensor.waze_city | int /60)) and (( t.hour + (t.minute/60)) < 8.5 ) and (is_state('binary_sensor.workday_sensor','on')) %}
            true
          {% else %}
            false
          {% endif %}

# automations.yaml
alias: leave for work
description: Trigger an alert if it is time to leave for work
trigger:
  - platform: state
    entity_id:
      - sensor.leave_for_work
    to: 'true'
condition: []
action:
  - service: telegram_bot.send_message
    data:
      message: Time to go
      title: Leave for work
mode: single