timeZone = utc
        set2DigitYearStart(Date(-631152000000L)) // 1950-01-01T00:00:00Z.
      }

    try {
      val parsed = dateFormat.parse(string)
      return parsed.time
    } catch (e: ParseException) {
      throw ProtocolException("Failed to parse UTCTime $string")
    }
  }

  internal fun formatUtcTime(date: Long): String {
    val utc = TimeZone.getTimeZone("GMT")
    val dateFormat =