How to find week number by providing a date(not today's date)

Hi guys! thanks in advance. what’s my question is. i need to find a week number by providing a date. that can be any date with month. is it possible? if yes please provide me the code what to write inside the assign.

Thanks&Regards

Have a look here

instead of Now you can use any Date within the datatype of DateTime

If date is available as a string we will Convert/Parse it in andvance