Date picker

[sayali_gajare]

how to calculate same period of the previous year  for which date range is selected from the calender.

[vikasmahajan]

Create variable for CY date & PY Date assign this variables to date picker CY & Date Picker 2 

use this variables in set analysis like:

Sum({1<[Order Date]={">=$(=Date($(vFromDate)))<=$(=Date($(vToDate)))"}>}[Sales])

refer full link for the same:

https://community.qlik.com/t5/New-to-Qlik-Sense/How-to-create-Date-Picker-in-Qlik-Sense/td-p/1172549

Hope this help you

Vikas