For some reason when constructing datetimes using fromtimestamp, I get a "OSError [Errno22] Invalid Argument" when I use negative times less than -43200 (-12hrs). I am on Win7 64-bit and python 3.5.1. Here's code that produces the error. >>> import datetime >>> import pytz >>> datetime.datetime.fromtimestamp(-43200, pytz.utc) datetime.datetime(1969, 12, 31, 12, 0, tzinfo=<UTC>) >>> datetime.datetime.fromtimestamp(-43201, pytz.utc) Traceback (most recent call last): File "<stdin>", line 1, in <module> OSError: [Errno 22] Invalid argument The sample uses pytz to simplify timezone information, but the error also occurs without it. Continue reading...
