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Allows for the conversion of ACH (After Colonial Holocaust) dates to YR dates established in Caprica, and linking these to redirects that point to specific timeline pages.
This template automatically calculates ACH events based on Caprica BYR dates.
Notes
The epoch of the timeline, as established by Caprica's writers, is 0 BCH (2000BYR). Following the logical implication that the Re-imagined Series universe mirrors real-world measurements, notably when "year zero" does not exist in the Anno Domini/Common Era year system used by either the Gregorian calendar or its predecessor, the implication then becomes that 1 BCH (99YR) is directly followed by 1 ACH (2000BYR).
In maintaining clarity of date usage on Battlestar Wiki, all Caprica and pre-Fall events are rendered in the YR suffix (implying "19" as its prefix, or 19##BYR), e.g. 40 BCH (60YR) marks the end of the First Cylon War. Thus, all ACH dates of the Re-imagined Series itself are rendered in the "2000s," even though they can also be rendered as YR dates with the assumption that 4 ACH equals 04YR (2004BYR), but this abbreviated approach is eschewed for readability.
Example
{{ACH|1}}