tzinfo.fromutc C# (CSharp) Method

            public virtual object fromutc(datetime dt) {
                timedelta dtOffset = utcoffset(dt);
                if (dtOffset == null)
                    throw PythonOps.ValueError("fromutc: non-None utcoffset() result required");

                timedelta dtDst = dst(dt);
                if (dtDst == null)
                    throw PythonOps.ValueError("fromutc: non-None dst() result required");

                timedelta delta = dtOffset - dtDst;
                dt = dt + delta; // convert to standard LOCAL time
                dtDst = dt.dst();

                return dt + dtDst;
            }