Trigger automation on manual date and time

[mhlas7]

Describe the feature

Currently, the trigger: time allows for two inputs. 1. Trigger on a fixed time which is specified in the automation trigger; 2. Trigger on the value of a date/time helper or timestamp-class sensor. The second one allows you to specify a datetime entity with an optional offset to trigger the automation on.

I would like to have a third option where I can specify a full date and time that the automation will run. For example, I want an automation to run on Jan 1st at 01:00 every year. It feels silly that I have to define a helper variable datetime to achieve this currently. Another implementation option would be to allow for CRON type syntax e.g. 0 1 1 1 * to run on Jan 1 at 01:00.

Use cases

A use case would be for any automation that a user wants to run on a different cadence than at a specified time every day or which is not associated with an entity date time sensor.

Current workarounds

1. Create a helper date time sensor which will always specify the exact date and time to run
2. Add a condition to the automation entity which only allows it to continue if the month and date match what is required

Anything else?

No response

[Petro31]

Create a local calendar and select the date and time for things to run, then use the calendar trigger.

[jonm802]

create a template trigger
{{ now().strftime('%B %d %Y') + " " + now().strftime('%H:%M') == 'January 01 2025 01:00'}}

{{ now().strftime('%B %d') + " " + now().strftime('%H:%M') == 'January 01 01:00'}}
without the year

returns true/false