Showing posts with label astronomy. Show all posts
Showing posts with label astronomy. Show all posts

Primidi, 1 Vendémiaire CCXVIII, day of Grapes

French Republican Calendar
The French Republican Calendar – Year III

Today, September 22, is the day of the September , when Autumn begins in the Northern (and Spring in the Southern) hemisphere. It was also the first day of the French Republican Calendar. On September 22, 1792 in France, the First Republic was born, and the new calendar (although it was fully conceived some months later only) started on this very same Equinox day.

The new calendar was part of a plan of rationalizing, standardizing, and secularizing systems of measurements named the Metric System, then the (S.I.). At the time in Europe, you would not have a same value for a French, British, Spanish or Italian league, mile, pound, ounce, gallon, whatever. Values would even change between counties or cities in a same country sometimes. A few years earlier then, French King Louis XVI had commissioned a group of scientists headed by to create a unified and rational system of measures. The Revolutionary Government intensified it.

French scientists decided modern values should be based as much as possible on number 10. Their work led to the present unification and rationalization of measurements, with the development of meter, kilogram, then the second, kelvin, ampere, candela, mole, etc. The metric system/S.I. is of widespread use in science, and it has been progressively adopted  in ordinary life by every country in the world but three: Liberia, Myanmar and the USA.

One attempt was a failure though: the , that lasted for about 13 years only (plus 18 days in 1871 during the Paris Commune) and never spread outside France. Every year was written in Roman letters (year CCXVIII begins today). It had twelve months of 30 days each, that were given new names based on seasons and nature, principally having to do with the prevailing weather in and around Paris. For instance, Vendémiaire that begins today, means "the month of Winds". It obviously made the calendar pretty inaccurate in most countries, and especially in the Southern hemisphere.

Every months was divided into three decades, 'weeks' of 10 days called Primidi (first day), Duodi (second day), Tridi (third day) and so on. One Decadi every ten days instead of one Sunday every seven days was certainly another good reason for the new calendar to fail. Instead of Saints as in the Christian calendar, every day in the year was associated to a plant or a tool (Grape today for example).

    [BbN #10]

At the end of the year, 5 or 6 Complementary Days (or Sansculotides) were respectively called Celebration Day of Virtue, Talent, Labour, Convictions, Honours, and on lap years, Celebration of the Revolution.

Today is Primidi, 1er Vendémiaire CCXVIII, day of Grapes. Happy New Republican Year, everyone.

Eclipse

There was a lunar eclipse last night, you could see in Europe and Africa essentially. From about 9:30 pm onwards, the moon progressively took an unusual coppery colour, when every first light and sunset in the world focused on its surface.

A lunar eclipse occurs when the moon enters the Earth's shadow. One would think it looks darker, more greyish than usual. Yet, on the contrary, it turns red, because the atmosphere of the Earth of the Sun, and changes its colour.

The partial eclipse reached its peak shortly before midnight. Then the moon progressively returned to its usual paleness. It was time for me to go to bed, and read poetry by Charles Baudelaire again.

-:-:-:-:-:-:-:-

Tristesses de la lune
(Charles Baudelaire)

Tristesses de la lune

Ce soir, la lune rêve avec plus de paresse ;
Ainsi qu'une beauté, sur de nombreux coussins,
Qui d'une main distraite et légère caresse
Avant de s'endormir le contour de ses seins,

Sur le dos satiné des molles avalanches,
Mourante, elle se livre aux longues pâmoisons,
Et promène ses yeux sur les visions blanches
Qui montent dans l'azur comme des floraisons.

Quand parfois sur ce globe, en sa langueur oisive,
Elle laisse filer une larme furtive,
Un poète pieux, ennemi du sommeil,

Dans le creux de sa main prend cette larme pâle,
Aux reflets irisés comme un fragment d'opale,
Et la met dans son coeur loin des yeux du soleil.

Charles Baudelaire

Sorrow of the Moon

More drowsy dreams the moon tonight. She rests
Like a proud beauty on heaped cushions pressing,
With light and absent-minded touch caressing,
Before she sleeps, the contour of her breasts.

On satin-shimmering, downy avalanches
She dies from swoon to swoon in languid change,
And lets her eyes on snowy visions range
That in the azure rise like flowering branches.

When sometimes to this earth her languor calm
Lets streak a stealthy tear, a pious poet,
The enemy of sleep, in his cupped palm,

Takes this pale tear, of liquid opal spun
With rainbow lights, deep in his heart to stow it
Far from the staring eyeballs of the Sun.

Transl. Roy Campbell, Poems of Baudelaire
(New York: Pantheon Books, 1952)
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