VBScript DateAdd function

May 13, 2021 VBScript

The date returned by the VBScript DateAdd function is plus the specified time interval.

The DateAdd function returns the date on which the specified interval has been added.

DateAdd(interval,number,date)

parameter	describe
interval	Required.The time interval you want to add. The following value can be used: YYYY - year Q - quarter M - month Y - the first day of the year D - day W - as the first few days WW - the last year H - hour n - points s - second
number	Required.Need to add the number of time intervals.You can use a positive value for future dates to use negative values for past dates.
date	Required.A variable or text representative of the date that is added.

parameter

describe

interval

Required.The time interval you want to add.

The following value can be used:

number

Required.Need to add the number of time intervals.You can use a positive value for future dates to use negative values for past dates.

date

Required.A variable or text representative of the date that is added.

Instance 1

How to use parameters:

The above example output results:

1/31/2011
4/30/2010
2/28/2010
2/1/2010
2/1/2010
2/1/2010
2/7/2010
1/31/2010 9:50:00 AM
1/31/2010 8:51:00 AM
1/31/2010 8:50:01 AM

Subtract one month from January 31, 2001:

The above example output results:

12/31/2009

Add a day from now:

The above example output results:

document.write(DateAdd("d",1,Now()))