Home assistant - Create date countdown tracker sensor

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Home Assistant - Countdown tracker

A Home Assistant HACS addon which can track multiple countdowns to important dates.

Install

1. Follow the HACS guide adding a custom repo.
2. Add this repo https://github.com/mrvautin/hacs_countdown_tracker
3. Go to Settings > Devices & services
4. Click ADD INTEGRATION
5. Enter Countdown Tracker and pick the matching integration
6. Enter the Name of the date you want to track - Eg: Wedding Anniversary
7. Enter the Due date of the date - Format: YYYY-MM-DD
8. When happy, select SUBMIT to create the tracker

You will now have a sensor created to track your date - sensor.countdown_<name>

Adding new events

Adding new events is easy.

1. Go to Settings > Devices & services
2. Select Countdown Tracker
3. Click ADD HUB
4. Fill in the form as per above and click SUBMIT

Removing events

Removing events is easy.

1. Go to Settings > Devices & services
2. Select Countdown Tracker
3. Find the event to remove
4. Click the 3 dots on the right of the event
5. Click Delete and confirm

Card display

You can then add this to a card. Yaml for your card could look like this:

type: entities
title: Countdowns!
entities:
  - type: attribute
    entity: sensor.countdown_wedding_anniversary
    attribute: countdown_days
    name: Wedding Anniverary
    icon: mdi:ring
  - type: attribute
    entity: sensor.countdown_christmas
    attribute: countdown_human
    name: Christmas!!
    icon: mdi:gift

The attribute of countdown_days will display x days until the due date. You will notice in the sensor you have a few attribute options:

• countdown_days will display x days until the event
• countdown_human will display in months/weeks/days until the even - Eg: 3 weeks, 6 days
• due_date Simply the date of the event