Date validation

Question

I know this may sound little trivial but I couldn't figure out the logic. 
 I want a button should be enabled before 5 calendar days from the last date of the month to the first 3 calendar days of next month. 
 Example from if it's Aug, then it should enable on 26 Aug and stay enabled until 3 Sept. 
 Any help appreciated.

Chris · Accepted Answer

Try this. Since today is Aug 3, it will be enabled, toggle the commenting on lines 2 and 3 to see how it would act tomorrow (disabled): 
 a!localVariables(
 local!date: today(),
 /*local!date: today()+1,*/
 local!daysInMonth: daysinmonth(month(local!date),year(local!date)),
 local!day: day(local!date),
 local!dayDisabledStart: 3,
 local!dayDisabledEnd: local!daysInMonth-5,
 {
 a!buttonArrayLayout(
 align: "START",
 buttons: {
 a!buttonWidget(
 label: "Button",
 disabled: not(
 or(
 local!day<=local!dayDisabledStart,
 local!day>=local!dayDisabledEnd,
 )
 )
 )
 }
 )
 }
)

Date validation

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