Unable to convert date from a pull data

1. What is the issue? Please be detailed.
HI, I am unable to use a date for calculation from a csv using pull date. I need to use the date for a calculation of days.

2. What steps can we take to reproduce this issue?

3. What have you tried to fix the issue?
Attempts to convert the string to date using decimal-date-time doesn't work

4. Upload any test forms or screenshots below.

Can you please post the form file (you can include just the relevant question) and an example of the CSV data you are pulling in?