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Anniversary Countdown Sensor for Home Assistant

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Anniversaries

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The 'anniversaries' component is a Home Assistant custom sensor which counts down to a recurring date such as birthdays, but can be used for any anniversary which occurs annually on the same date.

Table of Contents

Installation

MANUAL INSTALLATION

  1. Download the anniversaries.zip file from the latest release.
  2. Unpack the release and copy the custom_components/anniversaries directory into the custom_components directory of your Home Assistant installation.
  3. Configure the anniversaries sensor.
  4. Restart Home Assistant.

INSTALLATION VIA HACS

  1. Ensure that HACS is installed.
  2. Search for and install the "anniversaries" integration.
  3. Configure the anniversaries sensor.
  4. Restart Home Assistant.

Configuration

Anniversaries can be configured on the integrations menu or in configuration.yaml

Config Flow

In Configuration/Integrations click on the + button, select Anniversaries and configure the options on the form.

configuration.yaml

Add anniversaries sensor in your configuration.yaml. The following example adds two sensors - Shakespeare's birthday and wedding anniversary!

# Example configuration.yaml entry

anniversaries:
  sensors:
  - name: Shakespeare's Birthday
    date: '1564-04-23'
  - name: Shakespeare's Wedding Anniversary
    date: '1582-11-27'

CONFIGURATION PARAMETERS

Parameter Optional Description
name No Friendly name
date Either date or date_template MUST be included date in format 'YYYY-MM-DD' (or 'MM-DD' if year is unknown)
date_template Either date or date_template MUST be included Template to evaluate date from (Note this is ONLY available in YAML configuration) The template must return a string in either 'YYYY-MM-DD' or 'MM-DD' format
count_up Yes true or false changes the state to count up from a date (can be useful for non-recurring events) Default: false
one_time Yes true or false. For a one-time event (Non-recurring) Default: false
show_half_anniversary Yes true or false. Enables the half_anniversary_date and days_until_half_anniversary attributes. Default: false
unit_of_measurement Yes Your choice of label N.B. The sensor always returns Days, but this option allows you to express this in the language of your choice without needing a customization
id_prefix Yes Your choice of prefix for the entity_id Default: anniversary_ NB. the entity_id cannot be changed from within the integration once it has been created. You muse either delete your entity and re-create it or manually rename the entity_id on the configuration -> entities page
icon_normal Yes Default icon Default: mdi:calendar-blank
icon_today Yes Icon if the anniversary is today Default: mdi:calendar-star
days_as_soon Yes Days in advance to display the icon defined in icon_soon Default: 1
icon_soon Yes Icon if the anniversary is 'soon' Default: mdi:calendar

State and Attributes

State

  • The number of days remaining to the next occurance. (or days since last occurence if you have chosen the count up option)

Attributes

  • years at next anniversary: number of years that will have passed at the next occurrence (NOT displayed if year is unknown)
  • current years: number of years have passed since the first occurance (ie, current age) (NOT displayed if year is unknown)
  • date: The date of the first occurence (or the date of the next occurence if year is unknown)
  • weeks_remaining: The number of weeks until the anniversary
  • unit_of_measurement: 'Days' By default, this is displayed after the state. this is NOT translate-able. See below for work-around
  • half_anniversary_date: The date of the next half anniversary (if enabled by show_half_anniversary)
  • days_until_half_anniversary: The number of days until the next half anniversary

Notes about unit of measurement

Unit_of_measurement is not translate-able. You can, however, change the text for unit of measurement in the configuration. NB the sensor will always report in days, this just allows you to represent this in your own language.

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