pike.git / lib / modules / Calendar.pmod / tzdata / Theory

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pike.git/lib/modules/Calendar.pmod/tzdata/Theory:710:   The Russian empire (including Finland and the Baltic states) did not   convert to the Gregorian calendar until the Soviet revolution of 1917.      Source: H. Grotefend, _Taschenbuch der Zeitrechnung des deutschen   Mittelalters und der Neuzeit_, herausgegeben von Dr. O. Grotefend   (Hannover: Hahnsche Buchhandlung, 1941), pp. 26-28.         ----- Time and time zones on Mars -----    - Some people have adjusted their work schedules to fit Mars time. - Dozens of special Mars watches were built for Jet Propulsion - Laboratory workers who kept Mars time during the Mars Exploration + Some people's work schedules use Mars time. Jet Propulsion Laboratory + (JPL) coordinators have kept Mars time on and off at least since 1997 + for the Mars Pathfinder mission. Some of their family members have + also adapted to Mars time. Dozens of special Mars watches were built + for JPL workers who kept Mars time during the Mars Exploration   Rovers mission (2004). These timepieces look like normal Seikos and   Citizens but use Mars seconds rather than terrestrial seconds.      A Mars solar day is called a "sol" and has a mean period equal to   about 24 hours 39 minutes 35.244 seconds in terrestrial time. It is   divided into a conventional 24-hour clock, so each Mars second equals   about 1.02749125 terrestrial seconds.      The prime meridian of Mars goes through the center of the crater   Airy-0, named in honor of the British astronomer who built the
pike.git/lib/modules/Calendar.pmod/tzdata/Theory:753:   Sources:      Michael Allison and Robert Schmunk,   "Technical Notes on Mars Solar Time as Adopted by the Mars24 Sunclock"   <http://www.giss.nasa.gov/tools/mars24/help/notes.html> (2012-08-08).      Jia-Rui Chong, "Workdays Fit for a Martian", Los Angeles Times   <http://articles.latimes.com/2004/jan/14/science/sci-marstime14>   (2004-01-14), pp A1, A20-A21.    + Tom Chmielewski, "Jet Lag Is Worse on Mars", The Atlantic (2015-02-26) + <http://www.theatlantic.com/technology/archive/2015/02/jet-lag-is-worse-on-mars/386033/>      -----   Local Variables:   coding: utf-8   End: