This document is part of the Martian Time Boneyard. It was originally located at http://www.marsengineering.com/Calendar/Units.asp.
Author: Shaun Moss

Mars



hms dec
Earth/Luna


hms dec
Introduction
Acknowledgements
Terminology
Seasons
Mirs
Months
Weeks
Holisols
Calendar Pages
Birthsols
Clocks
Time Zones
Formats
Converters
Units Summary Mars' History

the optimal timekeeping system for Mars
developed by the Mars Time Group in 2001

Summary of Units

1 second = 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom
 
1 minute = 60 seconds
 
1 hour = 60 minutes
  = 3600 seconds
 
1 beat = 0.8877524409 seconds
  = 8,160,781,292 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom
 
1 mil = 100 beats
  = 0.001 sols
  = 88.77524409 seconds
  = 1.479587402 minutes
 
1 zode = 10,000 beats
  = 100 mils
  = 0.1 sols
  = 8877.524409 seconds
  = 2.465979003 hours
 
1 sol = the average duration of a Martian solar day
  = 100,000 beats
  = 1000 mils
  = 10 zodes
  = 88,775.24409 seconds
  = 24.65979003 hours
  = 24 hours, 39 minutes, and 35.24409 seconds
  = 1.027491251 days
 
1 Mars week = 7 sols
  = 1.027491251 Earth weeks
 
1 Mars month = 28 sols (except for the 24th month, which has 24 or 25)
  = 4 Mars weeks (except for the 24th month, which has 3.5)
  = 0.94 Earth months
  = 0.97 Lunar months
 
1 calendar mir = the average difference between two northern vernal equinoxes
  = 668.5906 sols
  = 95.51294 Mars weeks
  = 24 Mars months
  = 1.88086424 years
 
1 dekamir = 10 mirs
  = 18.8086424 years
  = 1.88086424 decades
 
1 hectomir = 100 mirs
  = 188.086424 years
  = 1.88086424 centuries
 
1 kilomir = 1000 mirs
  = 1880.86424 years
  = 1.88086424 millenia


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