Syntax
#date(year as number, month as number, day as number) as date
Description
Creates a date value from year year, month month, and day day. Raises an error if these are not true:
1 ≤ year ≤ 9999
1 ≤ month ≤ 12
1 ≤ day ≤ 31
Reference Data
https://docs.microsoft.com/en-us/powerquery-m/power-query-m-function-reference