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Sets an element of a date (e.g. the month) , such as the day or month, and returns the new date.

Syntax

dateSet(date,dateField,dateValue)

Argument
Type
Parameter TypesDescription
dateDateThe original
date/time
date or date-time. For the current date-time use the attribute function now().
dateFieldSee Date
Field
-Time FunctionsThe
part
element of the date to be be changed
(e.g.
, for example the month or seconds
)
.
dateValue
Date Value
The new value for that date element

When updating the day of the week (e.g. to _SATURDAY), the result will be the date for that day of the week in the current week - and weeks being on Monday. See examples below.

Examples

.


Tip

Changing a date-time to a different _DAY_OF_WEEK, always returns a date in the same week as the input date. The week begins on Monday.  For example, if the input date is a Thursday, setting the day of the week to:

  • Monday, Tuesday or Wednesday returns an earlier date
  • Friday, Saturday or Sunday returns a later date.

Examples

ExampleReturns
dateSet("20100403.162359",_MONTH,3)Sets the month to 3, so returns the date/time "20100303.162359"
dateSet("in.invoiceDate",_MONTH,_JANUARY)

Returns in.invoiceDate with the month set to 1 (January)

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. An invoice date of "20100303.162359"

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becomes "20100103.162359"

dateSet("in.invoiceDate",_SECOND, 0)Returns in.invoiceDate with the seconds set to 0.

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An invoice date-time of "20100303.162359"

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becomes "20100303.162300"

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.
dateSet(toDate("20131205"),_DAY_OF_WEEK,_TUESDAY)The input date of "20131205" is a Thursday

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.
This returns the date for the Tuesday in the same week, "20131203".
dateSet(toDate("20131205"),_DAY_OF_WEEK,_SATURDAY)The input date of "20131205" is a Thursday

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.
This returns the date for the Saturday in the same week "20131207".

See Also


Excerpt
hiddentrue

dateSet(date, dateField, dateValue)   Sets an element of a date (e.g. the month) and returns the new date.