Interplanetary Calendars (ICs) are calendars for the worlds
we know. The first IC was the first calendar for Mars. It was later
followed by calendars for the rest of the planets of the solar system,
and even later for planetoids and distant worlds. Will Napoli, the IC
inventor, proposes a Classification of Worlds System (CWS), which
he used to help create the Interplanetary Calendar System (ICS).
Planets are being discovered around stars other than the Sun and
worlds beyond Neptune are being discovered in the Solar System
now, so it's timely that the ICS has come about. Contemporary use
of these calendars for space exploration can help prepare the way
for the peopled exploration of the Solar System just now beginning,
and beyond. The ICs can also be used by students of all ages to
better understand the many worlds we now know something about.
we know. The first IC was the first calendar for Mars. It was later
followed by calendars for the rest of the planets of the solar system,
and even later for planetoids and distant worlds. Will Napoli, the IC
inventor, proposes a Classification of Worlds System (CWS), which
he used to help create the Interplanetary Calendar System (ICS).
Planets are being discovered around stars other than the Sun and
worlds beyond Neptune are being discovered in the Solar System
now, so it's timely that the ICS has come about. Contemporary use
of these calendars for space exploration can help prepare the way
for the peopled exploration of the Solar System just now beginning,
and beyond. The ICs can also be used by students of all ages to
better understand the many worlds we now know something about.
It is the year 9 SD (Sol Date) in the
Interplanetary Calendar System. New
Year's Day for year 10 SD is December
22, 2009 CE.
Interplanetary Calendar System. New
Year's Day for year 10 SD is December
22, 2009 CE.
The Interplanetary Calendars
by William Lloyd Napoli
THE PLANNA
The Mercannum & Mercudiary™ for Mercury
The Venannum™ & The Venudiary™ for Venus
The Terrannum™ for the Earth system
The Areannum™ for the Mars system
The Joviannum™ for the Jupiter system
The Saturannum™ for the Saturn system
The Urannum™ for the Uranus system
The Neptannum™ for the Neptune system
THE MESOPLANNA
The Cereannum™ for Ceres
The Plutanna™ for the Pluto system and the Plutinos
The Makeanna™ for Makemake and the Cubewanos
The Haumeannum™ for the Haumea system
The Erianna™ for Eris and the Scattered Disc Objects
The Sednanna™ for Sedna and the Oort Cloud Objects
THE MINIPLANNA
The Minor Planna™ for the Planetoids (Asteroids)
The Near Comanna™ for the short-term Comets
The Centanna™ for the Centaurs
The Far Comanna™ for the long-term Comets
THE EXOPLANNA
The Extranna™ for the Exoplanets
All these calendars are included in Earthman's Almanac and will
be available for purchase from year to year. First views of these
calendars can be found in Extraterrestrial Revolutions™ The
Magazine of Interplanetary Method™. Each issue of Extraterrestrial
Revolutions includes one or more of the above calendars within it.
(See E2 Products for ordering information.) Most of these calendars
have been published in earlier versions and soon they will all be
available on a regular basis.
by William Lloyd Napoli
THE PLANNA
The Mercannum & Mercudiary™ for Mercury
The Venannum™ & The Venudiary™ for Venus
The Terrannum™ for the Earth system
The Areannum™ for the Mars system
The Joviannum™ for the Jupiter system
The Saturannum™ for the Saturn system
The Urannum™ for the Uranus system
The Neptannum™ for the Neptune system
THE MESOPLANNA
The Cereannum™ for Ceres
The Plutanna™ for the Pluto system and the Plutinos
The Makeanna™ for Makemake and the Cubewanos
The Haumeannum™ for the Haumea system
The Erianna™ for Eris and the Scattered Disc Objects
The Sednanna™ for Sedna and the Oort Cloud Objects
THE MINIPLANNA
The Minor Planna™ for the Planetoids (Asteroids)
The Near Comanna™ for the short-term Comets
The Centanna™ for the Centaurs
The Far Comanna™ for the long-term Comets
THE EXOPLANNA
The Extranna™ for the Exoplanets
All these calendars are included in Earthman's Almanac and will
be available for purchase from year to year. First views of these
calendars can be found in Extraterrestrial Revolutions™ The
Magazine of Interplanetary Method™. Each issue of Extraterrestrial
Revolutions includes one or more of the above calendars within it.
(See E2 Products for ordering information.) Most of these calendars
have been published in earlier versions and soon they will all be
available on a regular basis.
Trademarks - 2009,
Earthman's Enterprises,
Cleveland, Ohio.
Earthman's Enterprises,
Cleveland, Ohio.
Earth photo composites
by Reto Stackli, NASA
by Reto Stackli, NASA
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