Returns the timezone component of an xs:dateTime
.
fn:timezone-from-dateTime
( $arg
as xs:dateTime?
xs:dayTimeDuration?
If $arg
is the empty sequence, the function returns the empty sequence.
Otherwise, the function returns the timezone component of $arg
, if any. If
$arg
has a timezone component, then the result is an
xs:dayTimeDuration
that indicates deviation from UTC; its value may
range from +14:00 to -14:00 hours, both inclusive. If $arg
has no timezone
component, the result is the empty sequence.
The expression fn:timezone-from-dateTime(xs:dateTime("1999-05-31T13:20:00-05:00"))
returns xs:dayTimeDuration("-PT5H")
.
The expression fn:timezone-from-dateTime(xs:dateTime("2000-06-12T13:20:00Z"))
returns xs:dayTimeDuration("PT0S")
.
The expression fn:timezone-from-dateTime(xs:dateTime("2004-08-27T00:00:00"))
returns ()
.