Hi Omar:
You can change the function and give it a date that you get as your baseline. Then just add differences to that starting point.
So something like this (if I am understanding you correctly).
function addDays(baselineDate, days) {
return new Date(baselineDate + days*24*60*60*1000);
}
...
let baselineDate = Date.now();
$w('#datePicker1').minDate = addDays(baselineDate, 0);
$w('#datePicker1').maxDate = addDays(baselineDate, 7);
$w('#datePicker2').minDate = addDays(baselineDate, 2);
$w('#datePicker2').maxDate = addDays(baselineDate, 7);
Hope this helps