derivedDataType DifferenceFromUTC

Time zone difference between the local current time and Coordinated Universal Time (UTC).
The format is as follows:
[+/-]hh:mm

It is expressed as positive (that is, with the leading plus sign [+]) if the local time is ahead of or equal to UTC of day and as negative (that is, with the leading minus sign [-]) if it is behind the UTC of day.
Example: +01:00

References from:
DateAndTime; ManagedElement;
stringDifferenceFromUTC [ 6 ]
Valid values: ^([+|-])(0[0-9]|1[0-9]|2[0-4]):([0-5][0-9])$
  derivedDataType DifferenceFromUTC