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Focus on your storytelling and how you structure your narrative. This will bring clarity to the timeline more than the syntax of the calendar you end up choosing. Recall your favorite science ficti...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/7422 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
Focus on your storytelling and how you structure your narrative. This will bring clarity to the timeline more than the syntax of the calendar you end up choosing. Recall your favorite science fiction authors - the vivid world they created and character arcs were probably primarily what drew you in, more than the delight of the alien language or non-earthly systems presented. Storytelling and structure are your "cake". The solar-system terminology you ultimately settle on will be the "icing" on that cake.