计算满月的时间

import static java.lang.System.out;//import java.io.*;不需要import java.util.*;//java.util.Calendarclass FullMoons{static int DAY_IM=1000*60*60*24;public static void main(String [] args){Calendar c=Calendar.getInstance();c.set(2004,0,7,15,40);//月份是以0为基的long day1=c.getTimeInMillis();for(int x=0;x<60;x++){day1+=(DAY_IM*29.52);c.setTimeInMillis(day1);out.println(String.format("full moon on %tc",c));}}}