Function: dateDiff()

Return the time difference between two dates in milliseconds.

This function includes any variance for daylight savings changes. Use round() to remove these changes.

Syntax

dateDiff(date1,date2)

Argument	Parameter Types	Description
date1	Date	The original date or date-time. For the current date-time use the attribute function now().
date2	See Date-Time Functions: dateField	The date to be subtracted from date1.


`dateDiff(now(),"20080101.130000")`	Returns the number of milliseconds since 1pm on 1st January 2008.
`round(dateDiff("20200410.000000","20191217.000000")/(10006060*24),0)`	Returns the number of days between April 10th 2020 and December 17th 2019. The round() call removes any variance for daylight savings shifts.