GitSharp.Core.PersonIdent.appendTimezone C# (CSharp) Method

        private void appendTimezone(StringBuilder r)
        {
            int offset = tzOffset;
            char sign;

            if (offset < 0)
            {
                sign = '-';
                offset *= -1;
            }
            else
            {
                sign = '+';
            }

            int offsetHours = offset / 60;
            int offsetMins = offset % 60;

            r.AppendFormat(CultureInfo.InvariantCulture, "{0}{1:D2}{2:D2}", sign, offsetHours, offsetMins);
        }