public static LocalTime timeOfNanoOfDay(long nanoOfDay){
        return LocalTime.ofNanoOfDay(nanoOfDay);
    }
Obtains an instance of LocalTime from the number of nanoseconds past midnight.
This returns a LocalTime with the specified nanosecond-of-day.
@param nanoOfDay the nano of day,
@return the local time, not null
src/main/java/org/replicadb/time/Conversions.java