Contents
Author’s Preface
1) The Calendar Accident
When the Solar System Becomes Geography
One Planet Made It Look Easy
What Must Be Shared
2) Introducing Solarian
The Solarian Calendar on One Page
The Calendar for People
The Calendar for Worlds
You Only Need One Number
The Week Does Not Break
One Week for the Solar System
3) The Planets Slow Down
Mars
Jupiter
Saturn
Uranus
Neptune
4) The Untidy Solar System
Main Belt Asteroids
Free Space Habitats
Pluto
5) When The Year Gets Smaller
Earth
Venus
Mercury
6) When The Calendars Have To Talk
What Changes When You Move?
Several Calendars, One History
Dates Become Geography
Knowing Where to Stop
One Grammar, Many Calendars
Postscript: The Other Coordinate
Appendix
Solarian Protocol
Mathematical Basis
Intercalation & Expansion Joints
Interplanetary Geometry & Month-Gap Heuristic
Comparative Calendars & Design Context
Sources, Notes & Bibliography
Outer Planets: From Idealised Orbits to Astronomical Reality
Technical Record (online)
Astronomical Reference System
Canonical Implementation Profiles
Main-Belt Population Validation
Orbital-phase Fidelity & Graceful Failure
Date, Time & Machine interoperability
Conformance, Versioning & Governance
About The Author