esphome-docs/components/sun.rst
2022-04-14 16:21:02 +12:00

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Sun
===
.. seo::
:description: Instructions for setting up tracking the sun position in ESPHome.
:image: weather-sunny.svg
The ``sun`` component allows you to track the sun's position in the sky. Calculations are done every 60 seconds.
.. code-block:: yaml
# Example configuration entry
sun:
latitude: 48.8584°
longitude: 2.2945°
# At least one time source is required
time:
- platform: homeassistant
Configuration variables:
------------------------
- **latitude** (**Required**, float): The latitude for performing the calculation.
- **longitude** (**Required**, float): The longitude for performing the calculation.
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
Automation:
.. code-block:: yaml
# Example configuration entry
sun:
latitude: 48.8584°
longitude: 2.2945°
on_sunrise:
- then:
- logger.log: Good morning!
# Custom elevation, will be called shortly after the trigger above.
- elevation: 5°
then:
- logger.log: Good morning 2!
on_sunset:
- then:
- logger.log: Good evening!
- **on_sunrise** (*Optional*, :ref:`Automation <automation>`): An automation to perform at sunrise
when the sun crosses a specified angle.
- **elevation** (*Optional*, float): The elevation to cross. Defaults to -0.833° (the horizon, slightly less than 0° to compensate for atmospheric refraction).
- **on_sunset** (*Optional*, :ref:`Automation <automation>`): An automation to perform at sunset
when the sun crosses a specified angle.
- **elevation** (*Optional*, float): The elevation to cross. Defaults to -0.833° (the horizon, slightly less than 0° to compensate for atmospheric refraction).
``sun`` Sensor
--------------
Additionally, the sun component exposes its values over a sensor platform.
.. code-block:: yaml
# Example configuration entry
sensor:
- platform: sun
name: Sun Elevation
type: elevation
- platform: sun
name: Sun Azimuth
type: azimuth
.. figure:: images/sun-sensor-ui.png
:align: center
:width: 80.0%
Configuration variables:
- **type** (**Required**, string): The type of value to track. One of ``elevation`` and
``azimuth``.
- **name** (**Required**, string): The name of the sensor.
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
- All other options from :ref:`Sensor <config-sensor>`.
``sun`` Text Sensor
-------------------
Other properties like the next sunset time can be read out with the sun text_sensor platform.
.. code-block:: yaml
# Example configuration entry
text_sensor:
- platform: sun
name: Sun Next Sunrise
type: sunrise
- platform: sun
name: Sun Next Sunset
type: sunset
.. figure:: images/sun-text_sensor-ui.png
:align: center
:width: 80.0%
Configuration variables:
- **type** (**Required**, string): The type of value to track. One of ``sunrise`` and
``sunset``.
- **name** (**Required**, string): The name of the text sensor.
- **elevation** (*Optional*, float): The elevation to calculate the next sunrise/sunset event
for. Defaults to -0.833° (the horizon, slightly less than 0° to compensate for atmospheric refraction).
- **format** (*Optional*, string): The format to format the time value with, see :ref:`strftime`
for more information. Defaults to ``%X``.
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
- All other options from :ref:`Text Sensor <config-text_sensor>`.
.. _sun-is_above_below_horizon-condition:
``sun.is_above_horizon`` / ``sun.is_below_horizon`` Conditions
--------------------------------------------------------------
The ``sun.is_above_horizon`` and ``sun.is_below_horizon`` :ref:`conditions <config-condition>`
allow you to check if the sun is currently above or below the horizon.
.. code-block:: yaml
on_...:
- if:
condition:
- sun.is_above_horizon:
then:
- logger.log: Sun is above horizon!
See Also
--------
- :apiref:`sun/sun.h`
- :ghedit:`Edit`