Determining how many days until a date is reached

Configuration
1 
If I was using a helper called "vacation_start" how would I write a sentence that I could use in a Text-to-speech message that would tell me how many how many days until it started? If it was to start tomorrow I would want the answer to be 1.

Thanks, Rich

2

Copy-paste this into the Template Editor and confirm it reports the number of days you expect:

{{ ((states('input_datetime.vacation_start') | as_datetime | as_local).date() - now().date()).days }}
4 Likes
3

That solution works

4 
  {{ (states('sensor.expirydate') | as_datetime or
  now()) - timedelta(days=14) < now()}}

my way to check if my certificate will expire within the next 14 days

5

Glad to hear it.

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