[artinfo] How was the light today?

Maria Blondeel maria.blondeel@pandora.be
Tue, 03 Jul 2001 17:07:08 +0200

Project Bissextile 2000 - 2004

This email was sent to you by Maria Blondeel on the occasion of the 'Faites
de la lumi=E8re' version 6 that will take place on 30 june 2001 among other
locations in Paris, Brussels, Marseilles, Quincerot...
Please take a moment to fill out the form.

This online project 'Bissextile' started on 29 february 2000. The goal of
the project is to receive light descriptions from all over the world over a
period of 4 years, from leap day to leap day. The received data will be used
in an computer application to control light projections.

Bissextile. The day which is added every fourth year to the month of
February, in order to make the year agree with the course of the sun.
The calendar year is 365 days long, unless the year is exactly divisible by
4, in which case an extra day is added to February to make the year 366 days
long. If the year is the last year of a century, eg. 1700, 1800, 1900, 2000,
then it is only a leap year if it is exactly divisible by 400. Therefore,
1900 wasn't a leap year but 2000 was. The reason for these rules is to bring
the average length of the calendar year into line with the length of the
Earth's orbit around the Sun, so that the seasons always occur during the
same months each year.

This email has been send to you by Maria Blondeel for the occasion of the
'Faites de la lumi=E8re' version 6
C.R.A.N.E. Symposium 7/01
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Thank you.