public static LocalDateTime localDateTimeUTC( long millis ) {
        CheckArg.isPositive(millis, "millis");
        return LocalDateTime.ofInstant(Instant.ofEpochMilli(millis), UTC);
    }
public static LocalDateTime localDateTimeUTC ( long millis ) { CheckArg . isPositive ( millis , "millis" ) ; return LocalDateTime . ofInstant ( Instant . ofEpochMilli ( millis ) , UTC ) ; }
Creates a new UTC {@link LocalDateTime} instance  based on the given millis value

@param millis a positive amount of millis
@return a {@link LocalDateTime} instance.