Re: Date output a day before the chosen date from Adaptive Card form
@fernandosilva
try:
addHours(variables('YourDate'),1,'dd/MM/yyyy')
I'm wondering if your date doesn't have any time on it, which would make it midnight, and Daylight savings time is throwing it off by moving the time an hour back. This would move it an hour up to avoid that.
Also, if this doesn't work, can you please show the incoming value from PVA into your Flow? When I create a quick adaptive card with just a date picker, and use that variable, my value looks like this coming into Flow (in my case I'm only getting the date, no time, but when I try and recreate the issue with this kind of value, I'm unable to get the day before, and in the below example, the date I picked in the calendar control was August 14, 2023)

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Cheers,
Matt