Convert between Excel serialdate and Python datetime with adjustment for 1900 leap year bug

convert_xlserialdate.py

def xlserialdate_to_datetime(xlserialdate):
    """

    Converts a Microsoft Excel serial date to datetime object


    Arguments:
    -----------
    xlserialdate : int
        Microsoft Excel serial date

    Returns:
    --------
    converted_date : datetime
        Datetime value corresponding to given serial date

    """

    excel_anchor = datetime.datetime(1900, 1, 1)

    if (xlserialdate < 60):
        delta_in_days = datetime.timedelta(days=(xlserialdate - 1))
    else:
        delta_in_days = datetime.timedelta(days=(xlserialdate - 2))

    converted_date = excel_anchor + delta_in_days

    return converted_date

Excellent! Was searching this exact piece of code, thank you a lot!