dateArithmetic

This function is used by Ignition's Expression language.

Description

Adds or subtracts some amount of time from a date, returning the resulting date. The field argument must be a string, and must be one of these options:

• ms
• second
• sec
• minute
• hour
• hr
• day
• week
• month
• year

Syntax

dateArithmetic(date, value, field)

• Parameters

  • Date date - The starting date.

  • Integer value - The value to add or subtract from the given date.

  • String field - The units of the value.

• Results

  • Date - A new date, that has been altered by the amount of units specified.

Examples

Code Snippet

dateArithmetic(toDate("2010-01-04 8:00:00"), 5, "hour") //returns the date '2010-01-04 13:00:00'

Code Snippet

dateArithmetic({Root Container.DatePicker.date}, -8, "days") //returns a date eight days before the date in a Popup Calendar component.