This function returns a new dateTime value after subtracting the duration from dateTime.

If the duration value is negative, then the resulting dateTime value follows input-dateTime value.

Signature:

xpath20:subtract-dayTimeDuration-from-dateTime(dateTime as string, duration as string)

Arguments:

• dateTime as string: The dateTime from which the function subtracts the duration, in string format.

• duration as string: The duration to subtract from the dateTime, or to add if the duration is negative, in string format.

Property IDs:

• namespace-uri: http://www.oracle.com/XSL/Transform/java/oracle.tip.pc.services.functions.Xpath20

• namespace-prefix: xp20