/**
* Returns the astronomical (108deg) sunrise for the given date.
*
* @param date
* <code>Calendar</code> object containing the date to compute the astronomical sunrise for.
* @return the astronomical sunrise time as a Calendar
*/
public Calendar getAstronomicalSunriseCalendarForDate(Calendar date)
{
return(calculator.computeSunriseCalendar(Zenith.ASTRONOMICAL, date));
}
/**
* Computes the sunrise for an arbitrary declination.
*
* @param latitude
* @param longitude
* Coordinates for the location to compute the sunrise/sunset for.
* @param timeZone
* timezone to compute the sunrise/sunset times in.
* @param date
* <code>Calendar</code> object containing the date to compute the official sunset for.
* @param degrees
* Angle under the horizon for which to compute sunrise. For example, "civil sunrise"
* corresponds to 6 degrees.
* @return the requested sunset time as a <code>Calendar</code> object.
*/
public static Calendar getSunrise(double latitude, double longitude, TimeZone timeZone, Calendar date, double degrees)
{
SolarEventCalculator solarEventCalculator = new SolarEventCalculator(new Location(latitude, longitude), timeZone);
return(solarEventCalculator.computeSunriseCalendar(new Zenith(90 - degrees), date));
}