Earthman's Almanac™ The collected interplanetary calendars
comprise the core of Earthman's Almanac™, but the almanac includes more.
Articles about space science careers, exploration, robotics, astronomy,
cosmology, and speculation are all material for the almanac in its physical form.
The online almanac, here, features the current information regarding the
interplanetary calendars. There are separate pages for the Classification of
Worlds System that was so important in developing the almanac and the
Interplanetary Calendar System. The magazine, Extraterrestrial Revolutions™
also has its own page as well as the interplanetary calendars. (See links at left.)
This online version is prepared for educators and others interested in keeping up
on the time, dates, and seasons on other worlds as well as reading about futures
in the exploration of space and the theories that explain the cosmos. Check back
for updates.
comprise the core of Earthman's Almanac™, but the almanac includes more.
Articles about space science careers, exploration, robotics, astronomy,
cosmology, and speculation are all material for the almanac in its physical form.
The online almanac, here, features the current information regarding the
interplanetary calendars. There are separate pages for the Classification of
Worlds System that was so important in developing the almanac and the
Interplanetary Calendar System. The magazine, Extraterrestrial Revolutions™
also has its own page as well as the interplanetary calendars. (See links at left.)
This online version is prepared for educators and others interested in keeping up
on the time, dates, and seasons on other worlds as well as reading about futures
in the exploration of space and the theories that explain the cosmos. Check back
for updates.
Trademarks - 2010,
Earthman's Enterprises,
Cleveland, Ohio.
Earthman's Enterprises,
Cleveland, Ohio.
| Earthman's Almanac EarthmansAlmanac.com |
What Day is it on Other Planets in the Solar System?
NOTES:
SD refers to Sol Date, the dating system for the interplanetary calendars.
The lune is the current sidereal period of the moon in a series of ten sidereal periods named after
mythological names related to the moon from cultures around the world with the decalune (the
entire series) serving as a calibration device between interplanetary calendars of the solar system.
The top number for any given day is the day of the year in that calendar. This is followed by the day
of the week below, the month in that calendar below that, the day of the month, and finally the
hours in that calendar day.
In the Mercannum & Mercudiary, there are also listed after the day of the year which of two solar
days, four years, and six sidereal days ("sida", singular "sidum") is current in the regular
installment period of four years per Mercannum & Mercudiary.
The year of each calendar is listed to the left along with the hemiannum for the Areannum, the
quintannum for the Cereannum, the zodium for the Joviannum, and the zodium and elementium
for the Saturannum, Urannum, and Neptannum. (These are periods longer than a month, but less
than a native year for these worlds.) For years listed with period separators the first number is the
year, the second number is the zodium, and the third number (if there is one) is the elementium.
For the Areannum and the Cereannum the days are slightly longer than the rest of the
interplanetary calendars, so the days and days of the week don't match up. Check back later for
more info on this and the eventual inclusion of the Venannum & Venudiary data.
Times given with the Areannum are the time of day (UT) in the Terrannum in which the given day of
the Areannum begins (UAT/AC).
Meteor shower indications are for peak dates.
NM = New Moon; FQ = First Quarter; FM = Full Moon; TQ = Third Quarter
Seasons are: winmer (N winter/S summer), sprill (N spring/S fall), sumter (N summer/S winter),
and fang (N fall/S spring: pronounced "fong").
EarthmansAlmanac.com™
SD refers to Sol Date, the dating system for the interplanetary calendars.
The lune is the current sidereal period of the moon in a series of ten sidereal periods named after
mythological names related to the moon from cultures around the world with the decalune (the
entire series) serving as a calibration device between interplanetary calendars of the solar system.
The top number for any given day is the day of the year in that calendar. This is followed by the day
of the week below, the month in that calendar below that, the day of the month, and finally the
hours in that calendar day.
In the Mercannum & Mercudiary, there are also listed after the day of the year which of two solar
days, four years, and six sidereal days ("sida", singular "sidum") is current in the regular
installment period of four years per Mercannum & Mercudiary.
The year of each calendar is listed to the left along with the hemiannum for the Areannum, the
quintannum for the Cereannum, the zodium for the Joviannum, and the zodium and elementium
for the Saturannum, Urannum, and Neptannum. (These are periods longer than a month, but less
than a native year for these worlds.) For years listed with period separators the first number is the
year, the second number is the zodium, and the third number (if there is one) is the elementium.
For the Areannum and the Cereannum the days are slightly longer than the rest of the
interplanetary calendars, so the days and days of the week don't match up. Check back later for
more info on this and the eventual inclusion of the Venannum & Venudiary data.
Times given with the Areannum are the time of day (UT) in the Terrannum in which the given day of
the Areannum begins (UAT/AC).
Meteor shower indications are for peak dates.
NM = New Moon; FQ = First Quarter; FM = Full Moon; TQ = Third Quarter
Seasons are: winmer (N winter/S summer), sprill (N spring/S fall), sumter (N summer/S winter),
and fang (N fall/S spring: pronounced "fong").
EarthmansAlmanac.com™
Earth photo composites by Reto Stackli, NASA
Copyright - 2010, Will
Napoli, Cleveland, Ohio.
Permission to copy this
page is granted to
teachers in no fee
classes and E3 and
EES Inc. classes.
Students may also copy
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study. Use for profit is
only granted to E2,
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Napoli, Cleveland, Ohio.
Permission to copy this
page is granted to
teachers in no fee
classes and E3 and
EES Inc. classes.
Students may also copy
this page for class
reports or personal
study. Use for profit is
only granted to E2,
Cleveland, Ohio.
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