There is no year zero. We went from 1BC to 1AD because zero wasn't a number until much later. But ISO 8601, the date format we use for web apps, does have a zero year, so 3BC maps to the year -0002.
GN.
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GN Vitor 💤
Keep on vitoring 💡🫂⚡️
Just another reason to move to a 13 month calendar, with 4 weeks within each.
Day zero will be Jan 9, 2009.
Easter is New Year
Easter wouldn't be on the calendar by default, but you'd be free to add it yourself.
Ok I'll bite. Why is Jan 9 day 0? 🐸
I meant Jan 3.
Genesis block
Yeah, that's gonna be a problem. 13 months with 28 days each is 364 days. One years js roughly 365.26 days. I'm inclined to say that primordial sin was an asteroid of some kind tilting the Earth's axis.
I really enjoy your random fun facts. 🙏🏻
And along with ISO 8601 comes the proper way to write a date 
The further back you go the higher the count of BC but fast forward and all you can gets hands on are more Ailing Dollars. But the future, according to the 90s game series Master of Orion has the universal currency as BCs for money. I particalrly liked moo2
There's no year zero as there's no month zero, no day zero, no century zero, no millennium zero:
Because all this numbers are *ordinals*, not cardinals.