functx:duration-from-timezone
Converts a timezone like “-05:00” or “Z” into xs:dayTimeDuration
Description
The functx:duration-from-timezone function accepts a timezone (as it appears in xs:date, xs:time, xs:dateTime etc. values) and converts it to an xs:dayTimeDuration value. The $timezone value can be Z, or in the format (+|-)HH:MM.
Parameters  | 
Description  | 
|---|---|
timezone:string()  | 
the time zone, in (+|-)HH:MM format  | 
Examples
XPath  | 
Results  | 
|---|---|
functx:duration-from-timezone(‘Z’)  | 
PT0S  | 
functx:duration-from-timezone(‘-05:00’)  | 
-PT5H  | 
functx:duration-from-timezone(‘+09:00’)  | 
PT9H  |