XSLT and XPath function reference in alphabetical order
(Excerpt from “XSLT 2.0 & XPath 2.0” by Frank Bongers, chapter 5, translated from German)
Value extraction from time values, date values and duration
The timezone component of a date in the form of a duration value of xs:dayTimeDuration type.
Optional. A date value of xs:date type whose timezone component shall be extracted.
Purpose of use:
The function extracts the value of the timezone offset of the UTC time of a date passed on in the form of a duration value of xs:dayTimeDuration type.
The outputted value may move in the interval between +14:00 (PT14H) and -14:00 hours (-PT14H). If the empty sequence is passed on, the function returns an empty result sequence.
Example - extraction of the timezone factor from a date indication:
returns the value -05:00 in the form of -PT5H as xs:dayTimeDuration.
The function is not available.
fn:timezone-from-date($arg as xs:date?) as xs:dayTimeDuration?
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