DateAdd

Add a time interval to a Date
Syntax
DateAdd (interval,number,date)

Key
number The number of intervals to add

date The date

interval The date/Time interval to add:

yyyy Year
q Quarter
m Month
y Day of year
d Day
w Weekday
h Hour
n Minute
s Second

To subtract dates just specify number as a negative, i.e. "m", -6 will subtract 6 months.

Example: add 7 days
dtmStart="18-Feb-10"
WScript.Echo "Start Date" & dtmStart
dtmFinish=DateAdd("d",7,dtmStart)
WScript.Echo "End Date" & dtmFinish 

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