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FunctX XQuery Functions

fn:adjust-time-to-timezone

Adjusts a time to a specific timezone, or no timezone

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Description

The fn:adjust-time-to-timezone function behaves differently depending on whether the $arg date value already has a time zone, and on the value of the time zone provided.

The $timezone argument is expressed as an xs:dayTimeDuration, for example -PT5H for US Eastern Standard Time. If $timezone is the empty sequence, it is assumed that the desired result is a date value that is in no time zone. If $timezone is omitted from the function call, it is assumed to be the implicit time zone.

If $arg does not already have a time zone, its date part stays the same, but it is now associated with the specified time zone. If $arg already has a time zone, its value is adjusted to that time zone.

This description is © Copyright 2007, Priscilla Walmsley. It is excerpted from the book XQuery by Priscilla Walmsley, O'Reilly, 2007. For a complete explanation of this function, please refer to Appendix A of the book.

Arguments and Return Type

NameTypeDescription
$arg xs:time? the time to adjust
$timezone xs:dayTimeDuration? the timezone to adjust it to
return value xs:time?

Examples

XQuery ExampleResults
adjust-time-to-timezone(
   xs:time('17:00:00'),
   xs:dayTimeDuration('-PT7H'))
17:00:00-07:00
adjust-time-to-timezone(
   xs:time('17:00:00-03:00'),
   xs:dayTimeDuration('-PT7H'))
13:00:00-07:00
adjust-time-to-timezone(
   xs:time('17:00:00'), ())
17:00:00
adjust-time-to-timezone(
   xs:time('17:00:00-03:00'), ())
17:00:00
adjust-time-to-timezone(
   xs:time('17:00:00'))
17:00:00-05:00
adjust-time-to-timezone(
   xs:time('17:00:00'),
   xs:dayTimeDuration('-PT20H'))
Error FODT0003
The following examples assume an implicit time zone of -05:00:
adjust-time-to-timezone(
   xs:time('17:00:00-03:00'))
15:00:00-05:00
adjust-time-to-timezone(
   xs:time('22:00:00-08:00'))
01:00:00-05:00
adjust-time-to-timezone(
   xs:time('01:00:00-02:00'))
22:00:00-05:00

See Also

fn:adjust-dateTime-to-timezoneAdjusts a dateTime to a specific timezone, or no timezone
fn:adjust-date-to-timezoneAdjusts a date to a specific timezone, or no timezone

History

Published OnLast UpdatedContributor(s)
2006-06-272007-02-26W3C, XQuery 1.0 and XPath 2.0 Functions and Operators, http://www.w3.org/TR/xpath-functions/
Datypic XQuery Services

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