Topics

Ephemeris

• Update of Ephemeris, 2026 - New! | Update of Ephemeris, 2026PDF
• Update of Ephemeris, 2022 | Update of Ephemeris, 2022PDF
• Update of Ephemeris, 2021 | Update of Ephemeris, 2021PDF
• Update of Ephemeris, 2016 | Update of Ephemeris, 2016PDF
• Longitude and latitude in Ephemeris | Longitude and latitude in EphemerisPDF
• Update of Ephemeris, 2009 | Update of Ephemeris, 2009PDF
• Update of Ephemeris, 2003 | Update of Ephemeris, 2003PDF

Calendars

• Japanese Calendar and Seigaku Shukan | Japanese Calendar and Seigaku ShukanPDF
• Julian Date | Julian DatePDF
• Setsubun starts moving. | Setsubun starts moving.PDF
• Holidays in 2021 | Holidays in 2021PDF
• Holidays in 2019 and 2020 | Holidays in 2019 and 2020PDF
• Shall we talk about the time and the past | Shall we talk about the time and the pastPDF
• Luni-solar calendar problem in 2033 | Luni-solar calendar problem in 2033PDF
• Autumnal equinox day starts moving. | Autumnal equinox day starts moving.PDF
• National holidays and holidays | National holidays and holidaysPDF
• National holidays | National holidaysPDF
• Equinox days | Equinox daysPDF
• Stories behind January 1st | Stories behind January 1stPDF
• Leap year and luni-solar calendar | Leap year and luni-solar calendarPDF

Solar and lunar eclipses

• Eclipse Cycle | Eclipse CyclePDF
• Major phenomena in 2012 | Major phenomena in 2012PDF
• Total solar eclipse in 2009 | Total solar eclipse in 2009PDF
• Eclipses | EclipsesPDF
• Annular solar eclipse in 1987 | Annular solar eclipse in 1987PDF

Earth

• Sidereal Time | Sidereal TimePDF
• Leap second | Leap secondPDF
• Precession, Nutation | Precession, NutationPDF

Sun

• Azimuth and altitude of Sun | Azimuth and altitude of SunPDF
• Rising and Setting of the Sun | Rising and Setting of the SunPDF
• Twilight | TwilightPDF

Moon

• Equatorial Farthest North/South of the Moon | Equatorial Farthest North/South of the MoonPDF
• Lunar Age | Lunar AgePDF
• Phases of the Moon | Phases of the MoonPDF
• Moon | MoonPDF
• Azimuth and altitude of Moon | Azimuth and altitude of MoonPDF

Planets

• Temporal disappearance of the Saturn's rings | Temporal disappearance of the Saturn's ringsPDF
• Mars Closest Approach | Mars Closest ApproachPDF
• Definition of planets | Definition of planetsPDF
• Illumination of Venus | Illumination of VenusPDF
• Jupiter | JupiterPDF
• Mars | MarsPDF
• Planetary Phenomena | Planetary PhenomenaPDF

Transit of Planets

• Transit of Mercury | Transit of MercuryPDF
• Transit of Venus | Transit of VenusPDF
• Transit of Mercury and Venus | Transit of Mercury and VenusPDF