QlikView and Qlik Sense date variables

date_variables.qvs

let vStartOf2ndPreviousQuarter = Date(Floor(QuarterStart(Today(), -2)), 'YYYY-MM-DD');
let vStartOf2ndPreviousQuarterNum = Num(Date(Floor(QuarterStart(Today(), -2)), 'YYYY-MM-DD'));

let vStartOfPreviousQuarter = Date(Floor(QuarterStart(Today(), -1)), 'YYYY-MM-DD');
let vStartOfPreviousQuarterNum = Num(Date(Floor(QuarterStart(Today(), -1)), 'YYYY-MM-DD'));

let vStartOfCurrentQuarter = Date(Floor(QuarterStart(Today())), 'YYYY-MM-DD');
let vStartOfCurrentQuarterNum = Num(Date(Floor(QuarterStart(Today())), 'YYYY-MM-DD'));

let vStartOfPreviousMonth = Date(Floor(MonthStart(Today(), -1)), 'YYYY-MM-DD');
let vStartOfPreviousMonthNum = Num(Date(Floor(MonthStart(Today(), -1)), 'YYYY-MM-DD'));

let vStartOfCurrentMonth = Date(Floor(MonthStart(Today())), 'YYYY-MM-DD');
let vStartOfCurrentMonthNum = Num(Date(Floor(MonthStart(Today())), 'YYYY-MM-DD'));

let vYesterday = Date(Today()-1, 'YYYY-MM-DD');
let vYesterdayNum = Num(Date(Today()-1, 'YYYY-MM-DD'));

let vToday = Date(Today(), 'YYYY-MM-DD');
let vTodayNum = Num(Date(Today(), 'YYYY-MM-DD'));

let vTomorrow = Date(Today()+1, 'YYYY-MM-DD');
let vTomorrowNum = Num(Date(Today()+1, 'YYYY-MM-DD'));

let vEndOfCurrentMonth = Date(Floor(MonthEnd(Today())), 'YYYY-MM-DD');
let vEndOfCurrentMonthNum = Num(Date(Floor(MonthEnd(Today())), 'YYYY-MM-DD'));

let vEndOfNextMonth = Date(Floor(MonthEnd(Today(), 1)), 'YYYY-MM-DD');
let vEndOfNextMonthNum = Num(Date(Floor(MonthEnd(Today(), 1)), 'YYYY-MM-DD'));

let vEndOfCurrentQuarter = Date(Floor(QuarterEnd(Today())), 'YYYY-MM-DD');
let vEndOfCurrentQuarterNum = Num(Date(Floor(QuarterEnd(Today())), 'YYYY-MM-DD'));

let vEndOfNextQuarter = Date(Floor(QuarterEnd(Today(), 1)), 'YYYY-MM-DD');
let vEndOfNextQuarterNum = Num(Date(Floor(QuarterEnd(Today(), 1)), 'YYYY-MM-DD'));

let vEndOf2ndNextQuarter = Date(Floor(QuarterEnd(Today(), 2)), 'YYYY-MM-DD');
let vEndOf2ndNextQuarterNum = Num(Date(Floor(QuarterEnd(Today(), 2)), 'YYYY-MM-DD'));

Great one