Molad Builder

MoladBuilder.java

import net.sourceforge.zmanim.*;
import net.sourceforge.zmanim.hebrewcalendar.*;
import net.sourceforge.zmanim.util.*;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;

public class MoladBuilder {

  public static void main(String[] args) {
		
		DateFormat zmanimFormat = new SimpleDateFormat("MMMMM d");
		zmanimFormat.setTimeZone(TimeZone.getDefault());
		DateFormat day = new SimpleDateFormat("EEEEE");
		day.setTimeZone(TimeZone.getDefault());
		DateFormat standardFormatI = new SimpleDateFormat("MMMMM d, h:mm a");
		standardFormatI.setTimeZone(TimeZone.getTimeZone("Asia/Jerusalem"));
		DateFormat standardFormatA = new SimpleDateFormat("MMMMM d, h:mm a");
		standardFormatA.setTimeZone(TimeZone.getTimeZone("America/New_York"));
		
		
		HebrewDateFormatter hdf = new HebrewDateFormatter();
		hdf.setHebrewFormat(true);
		
		int[] months = {JewishDate.CHESHVAN
				, JewishDate.KISLEV
				, JewishDate.TEVES
				, JewishDate.SHEVAT
				, JewishDate.ADAR
				, JewishDate.ADAR_II
				, JewishDate.NISSAN
				, JewishDate.IYAR
				, JewishDate.SIVAN
				, JewishDate.TAMMUZ
				, JewishDate.AV
				, JewishDate.ELUL};
		
		System.out.println("moladAnnounced" + "\t" + "moladStandard" + "\t" + "moladNewYork" + "\t" + "hdf.formatMonth(jd)" + "\t" + "ShabbatMevorchim");
		
		for (int month : months){
			JewishDate jd = new JewishDate(5774, month, 1);
			JewishDate molad = jd.getMolad();
			int a;
			
			String moladAnnounced = day.format(molad.getTime()) + " " + timeOfDay(molad) + ", " + zmanimFormat.format(molad.getTime()) + ", " + (((a = molad.getMoladHours()%12) == 0?12:a)) + ":" + String.format("%2d", molad.getMoladMinutes()) + " +" + molad.getMoladChalakim() + " " + ((molad.getMoladHours()>11?"PM":"AM"));
			Calendar moladS = Calendar.getInstance(TimeZone.getTimeZone("Asia/Jerusalem"));
			moladS.setTime(getMoladAsDate(molad));
			String moladStandard = standardFormatI.format(moladS.getTime());
			String moladNewYork = standardFormatA.format(moladS.getTime());
			
			Calendar shabbatB = Calendar.getInstance(TimeZone.getTimeZone("America/New_York"));
			shabbatB.setTime(jd.getTime());
			do
			{
				shabbatB.add(Calendar.DATE, -1);
			} while (shabbatB.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY);
			String shabbatBefore = zmanimFormat.format(shabbatB.getTime());
			
			System.out.println(moladAnnounced + "\t" + moladStandard + "\t" + moladNewYork + "\t" + hdf.formatMonth(jd) + "\t" + shabbatBefore);
		}
	}

	public static String timeOfDay(JewishDate jd)
	{
		if (jd.getMoladHours() < 12)
		{
			return "Morning";
		}
		
		String locationName = "Jerusalem";
		double latitude = 31.778; // Har habayis
		double longitude = 35.2354;// Har Habayis
		double elevation = 0;
		TimeZone timeZone = TimeZone.getTimeZone("Asia/Jerusalem");
		GeoLocation location = new GeoLocation(locationName, latitude, longitude, elevation, timeZone);
		ZmanimCalendar zc = new ZmanimCalendar(location);
		zc.getCalendar().set(jd.getGregorianYear(), jd.getGregorianMonth(), jd.getGregorianDayOfMonth());
		
		Calendar c = Calendar.getInstance(timeZone);
		c.set(jd.getGregorianYear(), jd.getGregorianMonth(), jd.getGregorianDayOfMonth(), jd.getMoladHours(), jd.getMoladMinutes());
		
		Calendar s = Calendar.getInstance(timeZone);
		s.setTime(zc.getSunset());
		
		if (c.after(s))
		{
			return "Night";
		}
		return "Afternoon";
	}
	
	/**
	 * Returns the molad in Standard Time in Yerushalayim as a Date. The traditional calculation uses local time. This
	 * method subtracts 20.94 minutes (20 minutes and 56.496 seconds) from the local time (Har Habayis with a longitude
	 * of 35.2354&deg; is 5.2354&deg; away from the %15 timezone longitude) to get to standard time. This method
	 * intentionally uses standard time and not dailight savings time. Java will implicitly format the time to the
	 * default (or set) Timezone.
	 * 
	 * @return the Date representing the moment of the molad in Yerushalayim standard time (GMT + 2)
	 */
	public static Date getMoladAsDate(JewishDate molad) {
		String locationName = "Jerusalem, Israel";
		double latitude = 31.778; // Har Habayis latitude
		double longitude = 35.2354; // Har Habayis longitude
		// The molad calculation always extepcst output in standard time. Using "Asia/Jerusalem" timezone will incorrect
		// adjust for DST.
		TimeZone yerushalayimStandardTZ = TimeZone.getTimeZone("GMT+2");
		GeoLocation geo = new GeoLocation(locationName, latitude, longitude, yerushalayimStandardTZ);
		Calendar cal = Calendar.getInstance(geo.getTimeZone());
		cal.clear();
		double moladSeconds = molad.getMoladChalakim() * 10 / (double)3;
		cal.set(molad.getGregorianYear(), molad.getGregorianMonth(), molad.getGregorianDayOfMonth(),
				molad.getMoladHours(), molad.getMoladMinutes(), (int) moladSeconds);
		cal.set(Calendar.MILLISECOND, (int) (1000 * (moladSeconds - (int) moladSeconds)));
		// subtract local time difference of 20.94 minutes (20 minutes and 56.496 seconds) to get to Standard time
		cal.add(Calendar.MILLISECOND, -1 * (int) geo.getLocalMeanTimeOffset());
		return cal.getTime();
	}
}