DateAdd Function
Returns a date to which a specified time interval has been added.
DateAdd(interval, number, date)
Arguments
interval
Required. String expression
that is the interval you want to add. See Settings section for values.
number
Required. Numeric expression that is the
number of interval you want to add. The numeric expression can either be
positive, for dates in the future, or negative, for dates in the past.
date
Required. Variant or literal representing the date to
which interval is added.
Settings
The interval argument can have the following values:
| Setting | Description | | yyyy | Year | | q | Quarter | | m | Month | | y | Day of year | | d | Day | | w | Weekday | | ww | Week of year | | h | Hour | | n | Minute | | s | Second |
Remarks
You can use the DateAdd function to add or subtract a specified time
interval from a date. For example, you can use DateAdd to calculate a
date 30 days from today or a time 45 minutes from now. To add days to
date, you can use Day of Year ("y"), Day ("d"), or Weekday ("w").
The DateAdd function won't return an invalid date. The following
example adds one month to January 31: NewDate = DateAdd("m", 1, "31-Jan-95")
In this case, DateAdd returns 28-Feb-95, not 31-Feb-95. If date
is 31-Jan-96, it returns 29-Feb-96 because 1996 is a leap year.
If the calculated date would precede the year 100, an error occurs.
If number isn't a Long value, it is rounded to the nearest whole
number before being evaluated.
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