Weird: the python datetime library can make a datetime for 1st January 1AD, but can't produce its unix timestamp:
> datetime(1,1,1,0).timestamp()
ValueError: year 0 is out of range
> datetime(1,1,2,0).timestamp()
-62135510325.0
Weird: the python datetime library can make a datetime for 1st January 1AD, but can't produce its unix timestamp:
> datetime(1,1,1,0).timestamp()
ValueError: year 0 is out of range
> datetime(1,1,2,0).timestamp()
-62135510325.0