public long nanos() {
		return System.nanoTime() + OFFSET_NANOS;
	}
This returns the nanosecond-based instant, measured from
1970-01-01T00:00Z (UTC). This method will return valid values till the
year 2262.

@return the nanosecond-based instant, measured from 1970-01-01T00:00Z (UTC)
jenetics/src/main/java/io/jenetics/util/NanoClock.java