Error when converting MATLAB's datenum to Python's datetime

Hello,

I have to convert a MATLAB's datenum to Python's datetime. The following code is as below:

Code:

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import datetime matlab_datenum = 63650571169.50261 python_datetime = datetime.date.fromordinal(int(matlab_datenum)) + datetime.timedelta(days=matlab_datenum%1) - datetime.timedelta(days = 366) print (matlab_datenum)

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63650571169.50261 is a datenum that represents a date plus a time for example 2010-11-04 00:03:50.209589

The above code generates this error:

Code:

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OverflowError: Python int too large to convert to C long

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The above code, is it correct ? how can i obtain a date plus a time ?

Thank you for your help,