python - 无法将 Epoch 值转换为人类可读的日期格式 python

Question

我正在尝试使用 Python 版本 3 转换纪元值 -2208988800000。

我试过在线工具来转换https://www.epochconverter.com/所以我得到的输出是 1/Jan/1900。

import datetime
datetime.datetime.fromtimestamp(-2208988800000 / 1000).strftime('%c')

---------------------------------------------------------------------------
OSError
Traceback (most recent call last)
  <ipython-input-15-abaf34dc5003> in <module>()
----> 1 datetime.datetime.fromtimestamp(-2208988800000 / 1000).strftime('%c')

OSError: [Errno 22] Invalid argument

Answer 1

fromtimestamp 行为取决于平台。我使用的是 Windows 10，不支持负值。

摘自 the documentation :

fromtimestamp() may raise ValueError, if the timestamp is out of the range of values supported by the platform C localtime() or gmtime() functions. It’s common for this to be restricted to years in 1970 through 2038.

>>> from datetime import datetime as dt
>>> dt.fromtimestamp(-1)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 22] Invalid argument