Hi,
I would like to request an improvement to the input_datetime helper.
Currently, when creating an input_datetime with time enabled, the default value is automatically set to 00:00.
This causes issues in automations and timers, because 00:00 is treated as a valid time. As a result, automations may trigger unintentionally at midnight unless additional conditions or toggle helpers are added to prevent it.
In many use cases, 00:00 does not represent a real intended value — it simply acts as a placeholder.
It would be very helpful if input_datetime could support a null / empty state (for example displayed as --:–) instead of defaulting to 00:00.
Benefits:
Prevent unintended midnight triggers
Reduce the need for extra boolean helpers
Simplify automation logic
Make the helper behave more like an optional time selector
Thank you for considering this feature request
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