Updated with Episode 39. (https://www.vcloudinfo.com/2019/11/adding-days-until-sensor-to-my-home-assistant-speech-routines.html)

config/configuration.yaml

@@ -88,7 +88,7 @@ http:
   ssl_certificate: !secret ssl_certificate
   ssl_key: !secret ssl_key
   ip_ban_enabled: True
-  login_attempts_threshold: 3
+  login_attempts_threshold: 2
 
 frontend:
   javascript_version: latest

config/packages/holiday.yaml

@@ -81,7 +81,7 @@ sensor:
     scan_interval: 43200
 
   - platform: rest
-    name: Christams Countdown
+    name: Christmas Countdown
     resource: !secret wolframalpha_xmas_api
     value_template: "{{ (value|replace(' days', '')) | int }}"
     unit_of_measurement: Days

config/script/tweet_youtube.yaml

@@ -198,6 +198,9 @@ tweet_youtube_engine_setup:
               ],
               "S02E38": [
                 "How to Build Home Assistant Sensors using Wolfram Alpha (https://www.vcloudinfo.com/2019/10/how-to-build-home-assistant-sensors-using-wolfram-alpha.html)"
+              ],
+              "S02E39": [
+                "Adding Days Until Sensor to my Home Assistant Speech routines (https://www.vcloudinfo.com/2019/11/adding-days-until-sensor-to-my-home-assistant-speech-routines.html)"
               ]
 
             } %}

config/templates/speech/briefing.yaml

@@ -123,6 +123,7 @@
   {% endif %}
   {%- endmacro -%}
 
+  {# YOUTUBE VIDEO ********* https://www.vcloudinfo.com/2019/11/adding-days-until-sensor-to-my-home-assistant-speech-routines.html #}
   {%- macro days_until() -%}
   {% set month=states("sensor.date").split('-')[1] | int %}
   {%- if month == 4 or month == 5 -%}
@@ -132,7 +133,7 @@
   {%- elif month == 9 or month == 10 -%}
       and don't forget, there are {{ states.sensor.halloween_countdown.state }} days until Halloween!
   {%- elif month == 11 or month == 12 -%}
-      and don't forget, there are {{ states.sensor.xmas_countdown.state }} days until Christmas!
+      and don't forget, there are {{ states.sensor.christmas_countdown.state }} days until Christmas!
   {% endif %}
   {%- endmacro -%}