Moon calendar: - Lunar days, the start and end of lunar day; - Solar and lunar eclipses for current year (a type of eclipse, date and time of eclipses); - The moon's age, the time of sunrise - sunset, moonrise - moonset; - Sign of the zodiac for the Sun and the Moon at a given time; - Phases and illumination of the Moon; - The lunar day determination for a given calendar date; - Determination of the lunar day for the current and the specified time; - Equinoxes and Solstices; - Perigee and apogee