The Now function returns the current date and time based on the UTC time zone.
For more information (including use case exercises) about date functions, see the Common Date Functions and Use Cases QuickStart.
The Now function doesn't reference arguments. It can be used independently to generate the current date and time, or it can be used within another function to reference the current date and time.
Returns the date and time (in UTC time) of the moment the function was submitted or the last time the data was refreshed.
DateDiff(“minute”, [Invoice Date], Now())
Returns number of minutes between the date in the Invoice Date column and the current UTC time (based on the moment the function was submitted or the last time the data was refreshed).