This function adds a number (a signed integer) to a datepart of an input date, and returns a modified date/time value. For example, you can use this function to find the date that is 7000 minutes from today: number = 7000, datepart = minute, date = today.
Syntax
DATEADD (datepart , number , date )
Arguments
datepart
The part of date to which DATEADD adds an integer number. This table lists all valid datepart arguments.
| datepart | Abbreviations |
|---|---|
| year | yy, yyyy |
| quarter | qq, q |
| month | mm, m |
| dayofyear | dy, y |
| day | dd, d |
| week | wk, ww |
| weekday | dw, w |
| hour | hh |
| minute | mi, n |
| second | ss, s |
| millisecond | ms |
| microsecond | mcs |
| nanosecond | ns |
number
An expression that can resolve to an int that DATEADD adds to a datepart of date. DATEADD accepts user-defined variable values for number. DATEADD truncates a specified number value that has a decimal fraction. It will not round the number value in this situation.
date
An expression that can resolve to one of the following values:
- date
- datetime
- datetimeoffset
- datetime2
- smalldatetime
- time
