Arduino Binary Clock

/*

An open-source binary clock for Arduino.

Based on code by Rob Faludi (http://www.faludi.com) and
Daniel Spillere Andrade (www.danielandrade.net).
Code under CC, see http://creativecommons.org/license/cc-gpl

Depends on the time library from http://www.arduino.cc/playground/Code/Time

*/

#include <Time.h>

void setup() {

        // Initialize the LED pins 1-13 (connect LEDs as described at http://www.danielandrade.net/2008/07/15/binary-clock-with-arduino/)
        for (int i=1; i<=13; i++) {
           pinMode(i, OUTPUT);
        }

        setClock(16,31);// Set clock to current time (hh,mm). Time has to be set manually in the code before uploading!
}

void loop() {

          setLEDs();
          delay(1000);
}

void setLEDs() {

    int munit = minute()%10; //sets the variable munit and hunit for the unit digits
    int hunit = hour()%10;

    //minutes units
    if(munit == 1 || munit == 3 || munit == 5 || munit == 7 || munit == 9) {digitalWrite(1, HIGH);} else {digitalWrite(1,LOW);}
    if(munit == 2 || munit == 3 || munit == 6 || munit == 7) {digitalWrite(2, HIGH);} else {digitalWrite(2,LOW);}
    if(munit == 4 || munit == 5 || munit == 6 || munit == 7) {digitalWrite(3, HIGH);} else {digitalWrite(3,LOW);}
    if(munit == 8 || munit == 9) {digitalWrite(4, HIGH);} else {digitalWrite(4,LOW);}

    //minutes
    if((minute() >= 10 && minute() < 20) || (minute() >= 30 && minute() < 40) || (minute() >= 50 && minute() < 60))  {digitalWrite(5, HIGH);} else {digitalWrite(5,LOW);}
    if(minute() >= 20 && minute() < 40)  {digitalWrite(6, HIGH);} else {digitalWrite(6,LOW);}
    if(minute() >= 40 && minute() < 60) {digitalWrite(7, HIGH);} else {digitalWrite(7,LOW);}

    //hour units
    if(hunit == 1 || hunit == 3 || hunit == 5 || hunit == 7 || hunit == 9) {digitalWrite(8, HIGH);} else {digitalWrite(8,LOW);}
    if(hunit == 2 || hunit == 3 || hunit == 6 || hunit == 7) {digitalWrite(9, HIGH);} else {digitalWrite(9,LOW);}
    if(hunit == 4 || hunit == 5 || hunit == 6 || hunit == 7) {digitalWrite(10, HIGH);} else {digitalWrite(10,LOW);}
    if(hunit == 8 || hunit == 9) {digitalWrite(11, HIGH);} else {digitalWrite(11,LOW);}

    //hour
    if(hour() >= 10 && hour() < 20)  {digitalWrite(12, HIGH);} else {digitalWrite(12,LOW);}
    if(hour() >= 20 && hour() < 24)  {digitalWrite(13, HIGH);} else {digitalWrite(13,LOW);}
}

void setClock(int hour, int minute) {

  setTime(hour,minute,00,00,00,2000);

}