DateToTimeStamp

QuestionDate
UnixStart
QuestionNum
ms
MyNow

QuestionDate [date] UnixStart [date] QuestionNum [num] MyNow [date]

MyNow
=
now

Property
QuestionNum
.unit = ms

UnixStart
= date(1970, 1, 1)

QuestionNum
= (
now
-
UnixStart
) / 1ms