4 ms·
The answer is “because -10000 CE is an approximation of the beginning of human civilisation, using this epoch removes negative year numbers from all historical
by grey_earthling 6y ago
The answer is “because -10000 CE is an approximation of the beginning of human civilisation, using this epoch removes negative year numbers from all historical dates, and it's simple to convert from the ubiquitous CE epoch”.
https://en.wikipedia.org/wiki/Holocene_calendar https://en.wikipedia.org/wiki/Holocene_calendar