DateDiff

<evalcmd> DateDiff && int && Difference between the two dates. && units && string && Unit type to return. Valid unit types are:

yyyy	Years
q	Quarter years
m	Months
y	Days
d	Days
w	Whole weeks
ww	Calendar weeks (number of Sundays)
h	Hours
n	Minutes
s	Seconds

&& date1 && date && The first date. && date2 && date && The second date. </evalcmd>

Returns the difference between the two supplied dates, expressed as units.

//Example://

Output(DateDiff("yyyy", "2021-01-01", "2023-01-01"))
--> 2