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 | Type | Description | |
|---|---|---|---|
| date1 | date | The original date or date-time. For the current date-time use the attribute function now(). | See Date-Time Functions for details about the arguments. |
| date2 | dateField | The date to be subtracted from date1. |
Examples
dateDiff(now(),"20080101.130000") | Returns the number of milliseconds since 1pm on 1st January 2008. |
round(dateDiff("20200410.000000","20191217.000000")/(1000*60*60*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. |