How to set Y axis intersect to a specific date on X axis in matplotlib

user_3678257 0
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I have time series data set that I would like to plot.

X axis data points are of type Timestamp('2000-01-04 00:00:00')
Y axis data points are of type float

When I do the usual ax.plot(x, y) the chart prints fine, but the Y axis crosses the X axis a few pixels off to the left from start of the data on the X axis. So I tried to set the intersect with various combinations like:

ax.spines['left'].set_position(('data', '2000-01-04'))
ax.spines['left'].set_position(('data', 946944000000000000))

but none of them worked.

How can I set the desired X axis intersect if X axis is

DatetimeIndex(['2000-01-04', 
               ...
               '2021-12-17'],
              dtype='datetime64[ns]', name='Date', length=5535, freq=None)
pandas matplotlib plot python
1 Answers

So, with the following chart:

from matplotlib import pyplot as plt
...
plt.xticks(rotation="vertical")
plt.plot(df)

enter image description here

You can adjust the w-axis like this:

plt.margins(x=0)
plt.plot(df)

enter image description here

user_112460560
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