derivedDataType DifferenceFromUTC

Time zone difference between the local current time and UTC (Coordinated Universal Time).
The following format shall be used
[+/-]hh:mm

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

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