I should be able to omit `- sensor:` and

[low abyss]

I'm using the "new" (no very) style of template, under template:

{# states('sensor.time_utc') #} is just a dummy, you can ignore it

[gilded dust]

so instead of sensor.yaml, This should go in 'template.yaml' ?

[low abyss]

Yes

[hasty patrol]

Template

Instructions on how to integrate Template Sensors into Home Assistant.

Quality scale

:house: Internal

IoT Class

Local Push

Integration type

helper

Documentation

View the documentation

Source

View the source on GitHub

Issues

View known issues

[gilded dust]

Yes, I see. It looks like the entire /config folder is available on github. the templates folder is pulled from configuration.yaml.