def datetime_to_daysElapsed(cur_datetime, base_datetime):
    """
    Description:
        Computes the number of days elapsed since 'base' date.

    Args:
        cur_datetime (datetime): Current date and time
        base_datetime (datetime): Base date and time
    Returns:
        Datetime object containing number of days elapsed
    """
    time_delta = cur_datetime - base_datetime
    time_to_days = (time_delta.seconds)/(24 * 60 * 60)
    return time_delta.days + time_to_days