def xlim(min, max):
    """
    This function will set the x axis range for all time series plots
    
    Parameters:
        min : flt
            The time to start all time series plots.  Can be given in seconds since epoch, or as a string
            in the format "YYYY-MM-DD HH:MM:SS"
        max : flt
            The time to end all time series plots.  Can be given in seconds since epoch, or as a string
            in the format "YYYY-MM-DD HH:MM:SS" 
            
    Returns:
        None
    
    Examples:
        >>> # Set the timespan to be 2017-07-17 00:00:00 plus 1 day
        >>> import pytplot
        >>> pytplot.xlim(1500249600, 1500249600 + 86400)
        
        >>> # The same as above, but using different inputs
        >>> pytplot.xlim("2017-07-17 00:00:00", "2017-07-18 00:00:00")

    """
    if not isinstance(min, (int, float, complex)):
        min = tplot_utilities.str_to_int(min)
    if not isinstance(max, (int, float, complex)):
        max = tplot_utilities.str_to_int(max)
    if 'x_range' in tplot_opt_glob:
        lim_info['xlast'] = tplot_opt_glob['x_range']
    else:
        lim_info['xfull'] = Range1d(min, max)
        lim_info['xlast'] = Range1d(min, max)
    tplot_opt_glob['x_range'] = [min, max]
    return
This function will set the x axis range for all time series plots
    
    Parameters:
        min : flt
            The time to start all time series plots.  Can be given in seconds since epoch, or as a string
            in the format "YYYY-MM-DD HH:MM:SS"
        max : flt
            The time to end all time series plots.  Can be given in seconds since epoch, or as a string
            in the format "YYYY-MM-DD HH:MM:SS" 
            
    Returns:
        None
    
    Examples:
        >>> # Set the timespan to be 2017-07-17 00:00:00 plus 1 day
        >>> import pytplot
        >>> pytplot.xlim(1500249600, 1500249600 + 86400)
        
        >>> # The same as above, but using different inputs
        >>> pytplot.xlim("2017-07-17 00:00:00", "2017-07-18 00:00:00")