/// <summary> /// JULIAN(greenwich) = JULIAN(local) - TIMEZONEHOURS /// JULIAN(local) = JULIAN(greenwich) + TIMEZONEHOURS /// </summary> /// <param name="jdate">Julian Time</param> public void setJulianGreenwichTime(GPJulianTime jdate) { double jd = jdate.getGreenwichJulianDay() + getLocation().getTimeZoneOffsetHours() / 24.0; setJulianLocalTime(jd); // greenwich julian day p_julian = jdate.getGreenwichJulianDay(); }