DateAdd

Table of Contents



Adds offset intervals to a date/time value and returns the new date/time. Use a negative offset to subtract. Interval names are not case-sensitive.

String DateAdd(String dateTime, String interval, Numeric offset)

Interval Aliases
Year yy, yyyy
Quarter qq, q
Month mm, m
Week ww, wk
Weekday dw (Monday to Friday)
Day dy
DayOfYear
Hour hh
Minute mi
Second s
Millisecond ms

Result format

The result uses the server's default date/time format, which depends on its culture settings. Wrap DateAdd in FormatDateTime for a predictable format.


round-pushpin Adds one month to January 31st, 2024 (returns 2024-02-29).
SELECT FormatDateTime(DateAdd('2024-01-31', 'Month', 1), 'yyyy-MM-dd') as Result FROM Single

round-pushpin Subtracts ten days from the current UTC date.
SELECT FormatDateTime(DateAdd(DateTimeUTC(), 'Day', -10), 'yyyy/MM/dd hh:mm:ss tt') as Result FROM Single




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SQL :: Abs
Returns the absolute value of a number.
SQL :: Ceil
Returns the smallest whole number that is greater than or equal to the given number.
SQL :: Checksum
Returns a simple 16-bit checksum (0 to 65535) of the value's ASCII bytes. It is fast but not collision resistant; use Sha256 when the value must be unique.
SQL :: Coalesce
Returns the first of the given values that is not null. Accepts any number of values.
SQL :: Concat
Concatenates all of the given values that are not null. Accepts any number of values. The + operator can also be used to concatenate, but a null on either side of + makes the whole result null.
SQL :: DateDiff
Returns the number of intervals between two date/time values (date2 minus date1). See DateAdd for the interval names.
SQL :: DateTime
Returns the server's current local date and time, formatted with the optional .NET date/time format string.
SQL :: DateTimeUTC
Returns the current UTC date and time, formatted with the optional .NET date/time format string. See DateTime for the format specifiers.
SQL :: Expressions
Literals, operators, comments and variables in KBSQL.